Question

Q.8/40 :The value of a coin varies directly to the
square of its radius, when its thickness is constant.
The radius of a coin is 1.5 cm and its value is Rs.2.
What will be the radius of a coin if its value is Rs.5?
सिक्के का मूल्य उसकी त्रिज्या के वर्ग के अनुक्रमानुपाती है, जब
इसकी मोटाई स्थिर है। सिक्के की त्रिज्या 1.5 cm और मूल्य
Rs.2/-1Rs.5 मूल्य के सिक्के की त्रिज्या क्या होगी?​

Answer 1

Answer:

Correct Answer is 2.4 cm apprx.

Explanation:

Use the proportional rules to get the answer easily as i have shown