A sum of ₹12 consists of 30 coins of either 50-paise or 25-paise. Number of each type respectively?

Consider the following statements in respect of all factors of 360 : 1. The number of factors is 24. 2. The sum of all factors is 1170. Which of the above statements is/are correct?

A zoo has some lions and parrots. The keeper counted 15 heads and 50 legs. Number of lions is

The value of a 2-digit number is 5 times the sum of the digits. What is the product of the digits ?

The sum of digits of a 2-digit number is 12. When the digits are reversed, the number becomes greater by eighteen. What is the difference between the digits in the number ?

A 2-digit number is such that the sum of the number and the number obtained by reversing the order of the digits of the number is 55. Further, the difference of the given number and the number obtain…