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ap-word-hard MCQ Questions for Class 10

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3 questions tagged with ap-word-hard.

Question 1/3 Hard Mathematics Arithmetic Progressions (AP) Finding the $n$th term of an AP Class 10 Level 66

एक मशीन में पहले चरण पर दबाव (520) यूनिट है और हर अगले चरण में (28) यूनिट घटता है। किस चरण में दबाव (184) यूनिट होगा?

In a machine, the pressure is (520) units at the first stage and decreases by (28) units at each next stage. At which stage will the pressure be (184) units?

Explanation opens after your attempt
Correct Answer

B. (13)वां(13)th

Step 1

Concept

From (184=520+(n-1)(-28)), (336=28(n-1)), so (n=13). Treat decrease as negative (d).

Step 2

Why this answer is correct

The correct answer is B. (13)वां / (13)th. From (184=520+(n-1)(-28)), (336=28(n-1)), so (n=13). Treat decrease as negative (d).

Step 3

Exam Tip

(184=520+(n-1)(-28)) से (336=28(n-1)) इसलिए (n=13)। घटाव को ऋणात्मक (d) मानें।

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Question 2/3 Hard Mathematics Arithmetic Progressions (AP) Finding the $n$th term of an AP Class 10 Level 65

एक जलाशय में पहले घंटे (360) लीटर पानी है और हर अगले घंटे (24) लीटर घटता है। किस घंटे में पानी (96) लीटर होगा?

In a reservoir, there are (360) litres of water in the first hour and (24) litres decrease each next hour. In which hour will the water be (96) litres?

Explanation opens after your attempt
Correct Answer

B. (12)वां(12)th

Step 1

Concept

From (96=360+(n-1)(-24)), (264=24(n-1)), so (n=12). Treat decrease as negative (d).

Step 2

Why this answer is correct

The correct answer is B. (12)वां / (12)th. From (96=360+(n-1)(-24)), (264=24(n-1)), so (n=12). Treat decrease as negative (d).

Step 3

Exam Tip

(96=360+(n-1)(-24)) से (264=24(n-1)) इसलिए (n=12)। घटाव को ऋणात्मक (d) मानें।

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Question 3/3 Hard Mathematics Arithmetic Progressions (AP) Finding the $n$th term of an AP Class 10 Level 64

एक लिफ्ट परीक्षण में पहले चक्र में (240) किग्रा भार है और हर अगले चक्र में (15) किग्रा घटाया जाता है। कौन-से चक्र में भार (75) किग्रा होगा?

In an elevator test, the first cycle has (240) kg load and (15) kg is reduced in each next cycle. In which cycle will the load be (75) kg?

Explanation opens after your attempt
Correct Answer

C. (12)वां(12)th

Step 1

Concept

From (75=240+(n-1)(-15)), (165=15(n-1)), so (n=12). In word problems, take decrease as negative (d).

Step 2

Why this answer is correct

The correct answer is C. (12)वां / (12)th. From (75=240+(n-1)(-15)), (165=15(n-1)), so (n=12). In word problems, take decrease as negative (d).

Step 3

Exam Tip

(75=240+(n-1)(-15)) से (165=15(n-1)) इसलिए (n=12)। शब्द-प्रश्न में घटाव को ऋणात्मक (d) लें।

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