Why is a river so rich ?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

Which is the smallest number that you can write using all the vowels exactly once?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Can you decipher the below rebus?

PBLUESAISNUERSES

Remove two matchsticks to make the below equation correct.

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

How many times in a given day, minutes and hour clock comes in a straight line ?