What will come in place of the question mark (?) in the

After 3 years, B’s age will be?

How many seats are between P and O when counted from the left of O?

Below is given the last step of an input. What will be its second step?

Last Step: 51 69 87 93 49 56 77 70

Statements :     

No letter is an alphabet.

Some alphabets are digits.

Some digits are numbers.

How many meaningful English words can be formed from interchanging first and second letters of each word given in the series?

Select the option that is related to the third word in the same way the second word is related to the first word.

What is the largest common divisor of the numbers 1170, 2340, and 3510?