1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What is next number in the pattern below:

131 517 192 123 ?

In which direction should the missing arrow point?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

If two's company, and three's a crowd, then whats four and five ?

John is the son of Jacob.
So,
Jacob is the_____of John's father?