यदि (D(t)=160-kt) और (D(4)-D(11)=63), तो (k) क्या है?

If (D(t)=160-kt) and (D(4)-D(11)=63), what is (k)?

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

C. (9)

Step 1

Concept

(D(4)-D(11)=k(11-4)=7k). From (7k=63), (k=9).

Step 2

Why this answer is correct

The correct answer is C. (9). (D(4)-D(11)=k(11-4)=7k). From (7k=63), (k=9).

Step 3

Exam Tip

(D(4)-D(11)=k(11-4)=7k) है। (7k=63) से (k=9) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (D(t)=160-kt) और (D(4)-D(11)=63), तो (k) क्या है? / If (D(t)=160-kt) and (D(4)-D(11)=63), what is (k)?

Correct Answer: C. (9). Explanation: (D(4)-D(11)=k(11-4)=7k) है। (7k=63) से (k=9) मिलता है। / (D(4)-D(11)=k(11-4)=7k). From (7k=63), (k=9).

Which concept should I revise for this Mathematics MCQ?

(D(4)-D(11)=k(11-4)=7k). From (7k=63), (k=9).

What exam hint can help solve this Mathematics question?

(D(4)-D(11)=k(11-4)=7k) है। (7k=63) से (k=9) मिलता है।