Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Which Travels Faster? Solve below famous picture riddle:

The centre of the third figure is empty. What digit should fit inside?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Replace the question mark with the correct number in the below-given picture?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

81 x 9 = 801. What must you do to make the this equation true?

When 99 is considered higher than 100?