Questions

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

The energy stored in a dry cell is in the form of

Find the missing number

Given equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis :

2 + 4 + 6 = 48 and

3 + 2 + 8 = 48 ,

then 2 + 5 + 7 = ?

If a mirror is placed on the line AB, then which of the answer figure is the right image of the given figure?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? d_c_d_cb_c_b

If (a+1a)2=3,then the value of a6-1a6 will be

What is the venue of 2020 Summer Olympics?