Questions

What is the value of acceleration due to gravity at the centre of earth?

A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?

To make child labour free society, PENCIL portal was launched in September 2017 in India. What does ‘P’ stand for in ‘PENCIL’?

The tenure of the members of Lok Sabha is for how many years?

Which of the following is NOT a metamorphic rock?

Person who is colour-blind cannot distinguish between

The instrument used for measuring air pressure is called .....

In the following question, some statements is followed by some conclusions, you have to take the given statements to be true even if they seem to be at variance with
commonly known facts and then decide which of the given logically follow. Choose that conclusion as the answer.

Statements:
Some roads are not good.
Some railways are good.
All airways are good.
Some roads are bad.

Conclusions:
I. At least some bad are good.
II. No bad is good.