Find the no. of prime factors in the product of 25¹² × 10⁷ x 14⁷ ? 

75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively ? 

A number which, when increased by 123% becomes 3345. The number is—

111.01 +41.23+(4.96)² +(2.09)²=?

Direction : What value should come in place question mark(?) in the following questions?

25 % of 420 - ? % of 140=77

The average of 21 consecutive natural numbers is 53. What is the value of the smallest of these 21 numbers?

If 1³ + 2³ + .....+103 = 3025 then 4 + 32 + 108 + ..... 4000 is equal to -