Consider the given question and decide which of the following statements is sufficient to answer the question.

How old is Mrinal?

Statements :

1. Mrinal's mother is 20 years older than him.

2. Mrinal's brother is 3 years younger than him.

Who among the following is an Indian gymnast who received the prestigious Padma Shri Award in 2017 by the Government of India?

The interest earned on Rs. 2250 at the rate of 3% simple interest per annum for 2 years will be

A man looks at a portrait and says, " She is my Father-in-law's only grand-daughter". How is the girl in the portrait related to this man's wife?

The ratio of the areas of a square and a regular hexagon, both inscribed in a circle is?

Peter belongs to Town A and Paul belongs to Town B. They start their journeys towards each others towns following the same route at the same time. They meet somewhere on the way and continue with their journeys. After meeting Paul, Peter takes another 13.5 hrs to reach his destination while Paul takes another 6hrs to reach Peter's town. If Peter travelled at the speed of 30 kmph, what was Paul's speed in kmph?

Aqueous solution of copper sulphate?

What is the HCF of 36, 72 and 126?