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ap word-problem decreasing nth-term MCQ Questions for Class 10

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1 questions tagged with ap word-problem decreasing nth-term.

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

एक टंकी में पहले घंटे (240) लीटर पानी है और हर घंटे (18) लीटर पानी घटता है। (9)वें घंटे में पानी कितना होगा?

A tank has (240) litres of water in the first hour and (18) litres decrease every hour. How much water will be there in the (9)th hour?

Explanation opens after your attempt
Correct Answer

A. (96) लीटर(96) litres

Step 1

Concept

This is a decreasing AP with (a=240) and (d=-18). (a_9=240+8(-18)=96) litres.

Step 2

Why this answer is correct

The correct answer is A. (96) लीटर / (96) litres. This is a decreasing AP with (a=240) and (d=-18). (a_9=240+8(-18)=96) litres.

Step 3

Exam Tip

यह घटती AP है जिसमें (a=240) और (d=-18) है। (a_9=240+8(-18)=96) लीटर।

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