समान्तर श्रेणी \(42,55,68,\ldots\) में कितने पद (1000) से कम हैं?

In the AP \(42,55,68,\ldots\), how many terms are less than (1000)?

Explanation opens after your attempt
Correct Answer

C. (74)

Step 1

Concept

From (42+13(n-1)<1000), (13(n-1)<958). The greatest (n=74).

Step 2

Why this answer is correct

The correct answer is C. (74). From (42+13(n-1)<1000), (13(n-1)<958). The greatest (n=74).

Step 3

Exam Tip

(42+13(n-1)<1000) से (13(n-1)<958)। सबसे बड़ा (n=74) है।

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Mathematics Answer, Explanation and Revision Hints

समान्तर श्रेणी \(42,55,68,\ldots\) में कितने पद (1000) से कम हैं? / In the AP \(42,55,68,\ldots\), how many terms are less than (1000)?

Correct Answer: C. (74). Explanation: (42+13(n-1)<1000) से (13(n-1)<958)। सबसे बड़ा (n=74) है। / From (42+13(n-1)<1000), (13(n-1)<958). The greatest (n=74).

Which concept should I revise for this Mathematics MCQ?

From (42+13(n-1)<1000), (13(n-1)<958). The greatest (n=74).

What exam hint can help solve this Mathematics question?

(42+13(n-1)<1000) से (13(n-1)<958)। सबसे बड़ा (n=74) है।