Questions

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

Which of the following has the same unit as energy?

Consider the given statements as true and decide which of the given conclusions can definitely be drawn from the given statements.

Statements :
Some kings are queens. All queens are beautiful.

Conclusions :
1. All kings are beautiful.
2. All queens are kings.

Which country, on 25 October 2017 announced that it would be introduced a minimum wage for workers?

What is the measure of temperature considered as normal in human body?

Which of the following is used to detect current in a circuit?

A man lifts a luggage of 25 kg from the ground and puts it on the head, 2.5 m above the ground. If the value of g = 10 m/s2, then the value of work done by him on the luggage is

Fastest Indian supercomputer recently developed by ISRO