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total_change MCQ Questions for Class 9

total_change se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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126 questions tagged with total_change.

Question 91/126 Expert Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 35

यदि (y=300-bx) में (x=6) से (x=14) तक (y) (120) घटता है, तो (b) क्या है?

If in (y=300-bx), (y) decreases by (120) from (x=6) to (x=14), what is (b)?

Explanation opens after your attempt
Correct Answer

C. (15)

Explanation

Simple Explanation

(x) में परिवर्तन (8) है। कुल कमी (8b=120) है इसलिए (b=15) है। / The change in (x) is (8). The total decrease is (8b=120), so (b=15).

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Question 92/126 Expert Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 35

यदि (y=150+ax) में (x=7) से (x=15) तक (y) (104) बढ़ता है, तो (a) क्या है?

If in (y=150+ax), (y) increases by (104) from (x=7) to (x=15), what is (a)?

Explanation opens after your attempt
Correct Answer

C. (13)

Explanation

Simple Explanation

(x) में परिवर्तन (8) है। (8a=104) से (a=13) मिलता है। / The change in (x) is (8). From (8a=104), (a=13).

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Question 93/126 Expert Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 35

यदि (y=330-22x), तो (y) में (154) की कमी के लिए (x) कितना बढ़ना चाहिए?

If (y=330-22x), by how much should (x) increase for (y) to decrease by (154)?

Explanation opens after your attempt
Correct Answer

C. (7)

Explanation

Simple Explanation

कुल कमी \(22\Delta x\) होगी। \(22\Delta x=154\) से \(\Delta x=7\) मिलता है। / The total decrease is \(22\Delta x\). From \(22\Delta x=154\), \(\Delta x=7\).

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Question 94/126 Expert Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 35

यदि (y=64+16x), तो (x) में कितनी वृद्धि करने पर (y) (112) बढ़ेगा?

If (y=64+16x), by how much must (x) increase for (y) to increase by (112)?

Explanation opens after your attempt
Correct Answer

C. (7)

Explanation

Simple Explanation

कुल वृद्धि \(16\Delta x\) होगी। \(16\Delta x=112\) से \(\Delta x=7\) मिलता है। / The total increase is \(16\Delta x\). From \(16\Delta x=112\), \(\Delta x=7\).

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Question 95/126 Expert Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 35

यदि (y=130-4.5x), तो (x=4) से (x=16) तक (y) में कुल कमी कितनी होगी?

If (y=130-4.5x), what is the total decrease in (y) from (x=4) to (x=16)?

Explanation opens after your attempt
Correct Answer

C. (54)

Explanation

Simple Explanation

(x) में परिवर्तन (16-4=12) है। कुल कमी \(4.5\times12=54\) है। / The change in (x) is (16-4=12). The total decrease is \(4.5\times12=54\).

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Question 96/126 Expert Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 35

यदि (y=22+3.25x), तो (x=2) से (x=14) तक (y) में कुल वृद्धि कितनी होगी?

If (y=22+3.25x), what is the total increase in (y) from (x=2) to (x=14)?

Explanation opens after your attempt
Correct Answer

B. (39)

Explanation

Simple Explanation

(x) में परिवर्तन (14-2=12) है। कुल वृद्धि \(3.25\times12=39\) है। / The change in (x) is (14-2=12). The total increase is \(3.25\times12=39\).

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Question 97/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 38

यदि (y=260-bx) में (x=5) से (x=13) तक (y) (104) घटता है, तो (b) क्या है?

If in (y=260-bx), (y) decreases by (104) from (x=5) to (x=13), what is (b)?

Explanation opens after your attempt
Correct Answer

C. (13)

Explanation

Simple Explanation

(x) में परिवर्तन (8) है। कुल कमी (8b=104) है इसलिए (b=13) है। / The change in (x) is (8). The total decrease is (8b=104), so (b=13).

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Question 98/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 38

यदि (y=120+ax) में (x=6) से (x=14) तक (y) (88) बढ़ता है, तो (a) क्या है?

If in (y=120+ax), (y) increases by (88) from (x=6) to (x=14), what is (a)?

Explanation opens after your attempt
Correct Answer

C. (11)

Explanation

Simple Explanation

(x) में परिवर्तन (8) है। (8a=88) से (a=11) मिलता है। / The change in (x) is (8). From (8a=88), (a=11).

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Question 99/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 38

यदि (y=270-18x), तो (y) में (126) की कमी के लिए (x) कितना बढ़ना चाहिए?

If (y=270-18x), by how much should (x) increase for (y) to decrease by (126)?

Explanation opens after your attempt
Correct Answer

C. (7)

Explanation

Simple Explanation

कुल कमी \(18\Delta x\) होगी। \(18\Delta x=126\) से \(\Delta x=7\) मिलता है। / The total decrease is \(18\Delta x\). From \(18\Delta x=126\), \(\Delta x=7\).

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Question 100/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 38

यदि (y=48+12x), तो (x) में कितनी वृद्धि करने पर (y) (84) बढ़ेगा?

If (y=48+12x), by how much must (x) increase for (y) to increase by (84)?

Explanation opens after your attempt
Correct Answer

C. (7)

Explanation

Simple Explanation

कुल वृद्धि \(12\Delta x\) होगी। \(12\Delta x=84\) से \(\Delta x=7\) मिलता है। / The total increase is \(12\Delta x\). From \(12\Delta x=84\), \(\Delta x=7\).

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Question 101/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 38

यदि (y=110-4.25x), तो (x=3) से (x=11) तक (y) में कुल कमी कितनी होगी?

If (y=110-4.25x), what is the total decrease in (y) from (x=3) to (x=11)?

Explanation opens after your attempt
Correct Answer

C. (34)

Explanation

Simple Explanation

(x) में परिवर्तन (11-3=8) है। कुल कमी \(4.25\times8=34\) है। / The change in (x) is (11-3=8). The total decrease is \(4.25\times8=34\).

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Question 102/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 38

यदि (y=18+2.75x), तो (x=4) से (x=16) तक (y) में कुल वृद्धि कितनी होगी?

If (y=18+2.75x), what is the total increase in (y) from (x=4) to (x=16)?

Explanation opens after your attempt
Correct Answer

C. (33)

Explanation

Simple Explanation

(x) में परिवर्तन (16-4=12) है। कुल वृद्धि \(2.75\times12=33\) है। / The change in (x) is (16-4=12). The total increase is \(2.75\times12=33\).

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Question 103/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=220-bx) में (x=4) से (x=12) तक (y) (96) घटता है, तो (b) क्या है?

If in (y=220-bx), (y) decreases by (96) from (x=4) to (x=12), what is (b)?

Explanation opens after your attempt
Correct Answer

C. (12)

Explanation

Simple Explanation

(x) में परिवर्तन (8) है। कुल कमी (8b=96) है इसलिए (b=12) है। / The change in (x) is (8). The total decrease is (8b=96), so (b=12).

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Question 104/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=90+ax) में (x=5) से (x=12) तक (y) (63) बढ़ता है, तो (a) क्या है?

If in (y=90+ax), (y) increases by (63) from (x=5) to (x=12), what is (a)?

Explanation opens after your attempt
Correct Answer

C. (9)

Explanation

Simple Explanation

(x) में परिवर्तन (7) है। (7a=63) से (a=9) मिलता है। / The change in (x) is (7). From (7a=63), (a=9).

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Question 105/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=240-15x), तो (y) में (90) की कमी के लिए (x) कितना बढ़ना चाहिए?

If (y=240-15x), by how much should (x) increase for (y) to decrease by (90)?

Explanation opens after your attempt
Correct Answer

B. (6)

Explanation

Simple Explanation

कुल कमी \(15\Delta x\) होगी। \(15\Delta x=90\) से \(\Delta x=6\) मिलता है। / The total decrease is \(15\Delta x\). From \(15\Delta x=90\), \(\Delta x=6\).

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Question 106/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=36+8x), तो (x) में कितनी वृद्धि करने पर (y) (64) बढ़ेगा?

If (y=36+8x), by how much must (x) increase for (y) to increase by (64)?

Explanation opens after your attempt
Correct Answer

C. (8)

Explanation

Simple Explanation

कुल वृद्धि \(8\Delta x\) होगी। \(8\Delta x=64\) से \(\Delta x=8\) मिलता है। / The total increase is \(8\Delta x\). From \(8\Delta x=64\), \(\Delta x=8\).

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Question 107/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=96-2.25x), तो (x=4) से (x=16) तक (y) में कुल कमी कितनी होगी?

If (y=96-2.25x), what is the total decrease in (y) from (x=4) to (x=16)?

Explanation opens after your attempt
Correct Answer

C. (27)

Explanation

Simple Explanation

(x) में परिवर्तन (16-4=12) है। कुल कमी \(2.25\times12=27\) है। / The change in (x) is (16-4=12). The total decrease is \(2.25\times12=27\).

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Question 108/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=21+3.5x), तो (x=2) से (x=12) तक (y) में कुल वृद्धि कितनी होगी?

If (y=21+3.5x), what is the total increase in (y) from (x=2) to (x=12)?

Explanation opens after your attempt
Correct Answer

C. (35)

Explanation

Simple Explanation

(x) में परिवर्तन (12-2=10) है। कुल वृद्धि \(3.5\times10=35\) है। / The change in (x) is (12-2=10). The total increase is \(3.5\times10=35\).

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Question 109/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=160-bx) में (x=3) से (x=8) तक (y) (45) घटता है, तो (b) क्या है?

If in (y=160-bx), (y) decreases by (45) from (x=3) to (x=8), what is (b)?

Explanation opens after your attempt
Correct Answer

C. (9)

Explanation

Simple Explanation

(x) में परिवर्तन (5) है। कुल कमी (5b=45) है इसलिए (b=9) है। / The change in (x) is (5). The total decrease is (5b=45), so (b=9).

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Question 110/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=70+ax) में (x=4) से (x=9) तक (y) (35) बढ़ता है, तो (a) क्या है?

If in (y=70+ax), (y) increases by (35) from (x=4) to (x=9), what is (a)?

Explanation opens after your attempt
Correct Answer

C. (7)

Explanation

Simple Explanation

(x) में परिवर्तन (5) है। (5a=35) से (a=7) मिलता है। / The change in (x) is (5). From (5a=35), (a=7).

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Question 111/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=180-12x), तो (y) में (72) की कमी के लिए (x) कितना बढ़ना चाहिए?

If (y=180-12x), by how much should (x) increase for (y) to decrease by (72)?

Explanation opens after your attempt
Correct Answer

B. (6)

Explanation

Simple Explanation

कुल कमी \(12\Delta x\) होगी। \(12\Delta x=72\) से \(\Delta x=6\) मिलता है। / The total decrease is \(12\Delta x\). From \(12\Delta x=72\), \(\Delta x=6\).

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Question 112/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=24+6x), तो (x) में कितनी वृद्धि करने पर (y) (42) बढ़ेगा?

If (y=24+6x), by how much must (x) increase for (y) to increase by (42)?

Explanation opens after your attempt
Correct Answer

B. (7)

Explanation

Simple Explanation

कुल वृद्धि \(6\Delta x\) होगी। \(6\Delta x=42\) से \(\Delta x=7\) मिलता है। / The total increase is \(6\Delta x\). From \(6\Delta x=42\), \(\Delta x=7\).

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Question 113/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=85-3.5x), तो (x=4) से (x=12) तक (y) में कुल कमी कितनी होगी?

If (y=85-3.5x), what is the total decrease in (y) from (x=4) to (x=12)?

Explanation opens after your attempt
Correct Answer

C. (28)

Explanation

Simple Explanation

(x) में परिवर्तन (12-4=8) है। कुल कमी \(3.5\times8=28\) है। / The change in (x) is (12-4=8). The total decrease is \(3.5\times8=28\).

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Question 114/126 Hard Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=16+2.5x), तो (x=2) से (x=10) तक (y) में कुल वृद्धि कितनी होगी?

If (y=16+2.5x), what is the total increase in (y) from (x=2) to (x=10)?

Explanation opens after your attempt
Correct Answer

B. (20)

Explanation

Simple Explanation

(x) में परिवर्तन (10-2=8) है। कुल वृद्धि \(2.5\times8=20\) है। / The change in (x) is (10-2=8). The total increase is \(2.5\times8=20\).

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Question 115/126 Medium Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=240-11x), तो (x) (3) से (13) तक बढ़ने पर (y) में क्या होगा?

If (y=240-11x), what happens to (y) when (x) increases from (3) to (13)?

Explanation opens after your attempt
Correct Answer

C. (110) घटेगाIt decreases by (110)

Explanation

Simple Explanation

(x) में परिवर्तन (10) है और कमी दर (11) है। इसलिए (y) (110) घटेगा। / The change in (x) is (10) and the decay rate is (11). So (y) decreases by (110).

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Question 116/126 Medium Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=5x+60), तो (x) (4) से (14) तक बढ़ने पर (y) में क्या होगा?

If (y=5x+60), what happens to (y) when (x) increases from (4) to (14)?

Explanation opens after your attempt
Correct Answer

B. (50) बढ़ेगाIt increases by (50)

Explanation

Simple Explanation

(x) में परिवर्तन (10) है और दर (5) है। इसलिए (y) (50) बढ़ेगा। / The change in (x) is (10) and the rate is (5). So (y) increases by (50).

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Question 117/126 Medium Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=125-6x) और (x) (3) से (11) हो जाए, तो (y) में कुल कमी कितनी होगी?

If (y=125-6x) and (x) changes from (3) to (11), what is the total decrease in (y)?

Explanation opens after your attempt
Correct Answer

C. (48)

Explanation

Simple Explanation

(x) में परिवर्तन (11-3=8) है और कमी दर (6) है। कुल कमी \(6\times8=48\) है। / The change in (x) is (11-3=8) and the decrease rate is (6). Total decrease is \(6\times8=48\).

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Question 118/126 Medium Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 37

यदि (y=28+9x) और (x) (2) से (8) हो जाए, तो (y) में कुल वृद्धि कितनी होगी?

If (y=28+9x) and (x) changes from (2) to (8), what is the total increase in (y)?

Explanation opens after your attempt
Correct Answer

C. (54)

Explanation

Simple Explanation

(x) में परिवर्तन (8-2=6) है और दर (9) है। कुल वृद्धि \(9\times6=54\) है। / The change in (x) is (8-2=6) and the rate is (9). Total increase is \(9\times6=54\).

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Question 119/126 Medium Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=210-9x), तो (x) (4) से (14) तक बढ़ने पर (y) में क्या होगा?

If (y=210-9x), what happens to (y) when (x) increases from (4) to (14)?

Explanation opens after your attempt
Correct Answer

B. (90) घटेगाIt decreases by (90)

Explanation

Simple Explanation

(x) में परिवर्तन (10) है और कमी दर (9) है। इसलिए (y) (90) घटेगा। / The change in (x) is (10) and the decay rate is (9). So (y) decreases by (90).

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Question 120/126 Medium Mathematics Introduction to Polynomials Linear growth and decay Class 9 Level 36

यदि (y=3x+42), तो (x) (2) से (12) तक बढ़ने पर (y) में क्या होगा?

If (y=3x+42), what happens to (y) when (x) increases from (2) to (12)?

Explanation opens after your attempt
Correct Answer

B. (30) बढ़ेगाIt increases by (30)

Explanation

Simple Explanation

(x) में परिवर्तन (10) है और दर (3) है। इसलिए (y) (30) बढ़ेगा। / The change in (x) is (10) and the rate is (3). So (y) increases by (30).

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