Concept-wise Practice

factory MCQ Questions for Class 10

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

Practice Questions

8 questions tagged with factory.

एक कारखाना पहले दिन (720) इकाइयां बनाता है और हर अगले दिन (24) इकाइयां कम बनाता है। पहले (16) दिनों में कुल उत्पादन कितना होगा?

A factory makes (720) units on the first day and (24) fewer units each next day. What is the total production in the first (16) days?

Explanation opens after your attempt
Correct Answer

D. (8640)

Step 1

Concept

The production is the decreasing AP \(720,696,672,\ldots\) and \(S_{16}=8640\). Exam tip: treat decrease as a negative common difference.

Step 2

Why this answer is correct

The correct answer is D. (8640). The production is the decreasing AP \(720,696,672,\ldots\) and \(S_{16}=8640\). Exam tip: treat decrease as a negative common difference.

Step 3

Exam Tip

उत्पादन \(720,696,672,\ldots\) घटती समान्तर श्रेणी है और \(S_{16}=8640\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।

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एक फैक्टरी पहले दिन (600) इकाइयां बनाती है और हर अगले दिन (22) इकाइयां कम बनाती है। पहले (18) दिनों में कुल उत्पादन कितना होगा?

A factory makes (600) units on the first day and (22) fewer units each next day. What is the total production in the first (18) days?

Explanation opens after your attempt
Correct Answer

D. (7434)

Step 1

Concept

The production is the decreasing AP \(600,578,556,\ldots\) and \(S_{18}=7434\). Exam tip: treat a decrease as a negative common difference.

Step 2

Why this answer is correct

The correct answer is D. (7434). The production is the decreasing AP \(600,578,556,\ldots\) and \(S_{18}=7434\). Exam tip: treat a decrease as a negative common difference.

Step 3

Exam Tip

उत्पादन \(600,578,556,\ldots\) घटती समान्तर श्रेणी है और \(S_{18}=7434\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।

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एक फैक्टरी पहले दिन (420) इकाइयां बनाती है और हर अगले दिन (18) इकाइयां कम बनाती है। पहले (15) दिनों में कुल उत्पादन कितना होगा?

A factory makes (420) units on the first day and (18) fewer units each next day. What is the total production in the first (15) days?

Explanation opens after your attempt
Correct Answer

D. (4410)

Step 1

Concept

The production is the decreasing AP \(420,402,384,\ldots\) and \(S_{15}=4410\). Exam tip: treat a decrease as a negative common difference.

Step 2

Why this answer is correct

The correct answer is D. (4410). The production is the decreasing AP \(420,402,384,\ldots\) and \(S_{15}=4410\). Exam tip: treat a decrease as a negative common difference.

Step 3

Exam Tip

उत्पादन \(420,402,384,\ldots\) घटती समान्तर श्रेणी है और \(S_{15}=4410\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।

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एक फैक्टरी पहले दिन (360) इकाइयां बनाती है और हर अगले दिन (15) इकाइयां कम बनाती है। पहले (16) दिनों में कुल उत्पादन कितना होगा?

A factory makes (360) units on the first day and (15) fewer units each next day. What is the total production in the first (16) days?

Explanation opens after your attempt
Correct Answer

D. (3960)

Step 1

Concept

The production is the decreasing AP \(360,345,330,\ldots\) and \(S_{16}=3960\). Exam tip: treat a decrease as a negative common difference.

Step 2

Why this answer is correct

The correct answer is D. (3960). The production is the decreasing AP \(360,345,330,\ldots\) and \(S_{16}=3960\). Exam tip: treat a decrease as a negative common difference.

Step 3

Exam Tip

उत्पादन \(360,345,330,\ldots\) घटती समान्तर श्रेणी है और \(S_{16}=3960\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।

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एक फैक्टरी पहले दिन (300) इकाइयां बनाती है और हर अगले दिन (20) इकाइयां कम बनाती है। पहले (12) दिनों में कुल उत्पादन कितना होगा?

A factory makes (300) units on the first day and (20) fewer units each next day. What is the total production in the first (12) days?

Explanation opens after your attempt
Correct Answer

D. (2280)

Step 1

Concept

The production is the decreasing AP \(300,280,260,\ldots\) and \(S_{12}=2280\). Exam tip: treat a decrease as a negative common difference.

Step 2

Why this answer is correct

The correct answer is D. (2280). The production is the decreasing AP \(300,280,260,\ldots\) and \(S_{12}=2280\). Exam tip: treat a decrease as a negative common difference.

Step 3

Exam Tip

उत्पादन \(300,280,260,\ldots\) घटती समान्तर श्रेणी है और \(S_{12}=2280\)। परीक्षा में कमी को ऋणात्मक सार्व अंतर मानें।

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एक फैक्टरी पहले दिन (180) खिलौने बनाती है और हर अगले दिन (30) खिलौने अधिक बनाती है। (5)वें दिन कितने खिलौने बनेंगे?

A factory makes (180) toys on the first day and (30) more toys each next day. How many toys are made on the (5)th day?

Explanation opens after your attempt
Correct Answer

B. (300)

Step 1

Concept

The production forms an AP. (a_5=180+4(30)=300).

Step 2

Why this answer is correct

The correct answer is B. (300). The production forms an AP. (a_5=180+4(30)=300).

Step 3

Exam Tip

उत्पादन समान्तर श्रेणी है। (a_5=180+4(30)=300)।

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एक फैक्टरी पहले दिन (150) खिलौने बनाती है और हर अगले दिन (20) खिलौने अधिक बनाती है। (6)वें दिन कितने खिलौने बनेंगे?

A factory makes (150) toys on the first day and (20) more toys each next day. How many toys are made on the (6)th day?

Explanation opens after your attempt
Correct Answer

B. (250)

Step 1

Concept

The production forms an AP. (a_6=150+5(20)=250).

Step 2

Why this answer is correct

The correct answer is B. (250). The production forms an AP. (a_6=150+5(20)=250).

Step 3

Exam Tip

उत्पादन समान्तर श्रेणी है। (a_6=150+5(20)=250)।

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एक फैक्टरी पहले दिन (200) खिलौने बनाती है और हर अगले दिन (25) खिलौने अधिक बनाती है। (5)वें दिन कितने खिलौने बनेंगे?

A factory makes (200) toys on the first day and (25) more toys each next day. How many toys are made on the (5)th day?

Explanation opens after your attempt
Correct Answer

B. (300)

Step 1

Concept

The production forms an AP. (a_5=200+4(25)=300).

Step 2

Why this answer is correct

The correct answer is B. (300). The production forms an AP. (a_5=200+4(25)=300).

Step 3

Exam Tip

उत्पादन समान्तर श्रेणी है। (a_5=200+4(25)=300)।

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