यदि (K(t)=210-7t), तो (K(2t)-K(5t)) क्या है?

If (K(t)=210-7t), what is (K(2t)-K(5t))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (21t)

Step 1

Concept

(K(2t)=210-14t) and (K(5t)=210-35t). The difference is (21t).

Step 2

Why this answer is correct

The correct answer is B. (21t). (K(2t)=210-14t) and (K(5t)=210-35t). The difference is (21t).

Step 3

Exam Tip

(K(2t)=210-14t) और (K(5t)=210-35t) है। अंतर (21t) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (K(t)=210-7t), तो (K(2t)-K(5t)) क्या है? / If (K(t)=210-7t), what is (K(2t)-K(5t))?

Correct Answer: B. (21t). Explanation: (K(2t)=210-14t) और (K(5t)=210-35t) है। अंतर (21t) है। / (K(2t)=210-14t) and (K(5t)=210-35t). The difference is (21t).

Which concept should I revise for this Mathematics MCQ?

(K(2t)=210-14t) and (K(5t)=210-35t). The difference is (21t).

What exam hint can help solve this Mathematics question?

(K(2t)=210-14t) और (K(5t)=210-35t) है। अंतर (21t) है।