Mental Ability- Number System

A milk dairy of a town produced 50750 litres of milk in a day. It supplied 19280 litres to one town and 12690 litres to another town. How much milk is left with the dairy on that day?

Peter read 287 pages of a book in 7 days. He read the same number of pages each day. How many pages did he read each day?

There are 151 students in a class. If each student has 12 books, then how many total books are there in the class?

What Roman numerals should be subtracted from CD to get C?

The smallest 4 digit number formed by using the digits 3, 5, 0 and repeating 3 twice is:

Successor of 23 before 124 is:

The value of sum (CD + DC) in Roman numerals is:

Sum of the smallest 5 digit number and the greatest 2 digit number is:

Observe the number series given below and extend it by three more terms. 17, 22, 27, 32, _, _, _