यदि (P(t)=70+5t) और (Q(t)=190-10t) है तो किस (t) पर (P(t)=Q(t)) होगा?

If (P(t)=70+5t) and (Q(t)=190-10t), at which (t) will (P(t)=Q(t))?

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

B. (t=8)

Step 1

Concept

From (70+5t=190-10t), (15t=120). Therefore (t=8) is correct.

Step 2

Why this answer is correct

The correct answer is B. (t=8). From (70+5t=190-10t), (15t=120). Therefore (t=8) is correct.

Step 3

Exam Tip

(70+5t=190-10t) से (15t=120) होता है। इसलिए (t=8) सही है।

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Mathematics Answer, Explanation and Revision Hints

यदि (P(t)=70+5t) और (Q(t)=190-10t) है तो किस (t) पर (P(t)=Q(t)) होगा? / If (P(t)=70+5t) and (Q(t)=190-10t), at which (t) will (P(t)=Q(t))?

Correct Answer: B. (t=8). Explanation: (70+5t=190-10t) से (15t=120) होता है। इसलिए (t=8) सही है। / From (70+5t=190-10t), (15t=120). Therefore (t=8) is correct.

Which concept should I revise for this Mathematics MCQ?

From (70+5t=190-10t), (15t=120). Therefore (t=8) is correct.

What exam hint can help solve this Mathematics question?

(70+5t=190-10t) से (15t=120) होता है। इसलिए (t=8) सही है।