If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers  is equal to:

1, 4, 2, 8, 6, 24, 22, 88, ___

3, 4, 9, 22.5, 67.5, 202.5, 810

8433.733 ÷ 54.102 ÷ 5.55 =?

The base 6 representation of 0.3333333............. is?

A merchant mixes three varieties of rice costing Rs.20/kg, Rs.24/kg and Rs.30/kg and sells the mixture at a profit of 20% at Rs.30 / kg. How many kgs of the second variety will be in the mixture if 2 kgs of the third variety is there in the mixture?

Let N = 142*(1423/1425). What is the remainder when N is divided by 12?

Let x, y be positive real nos such that x³ + y³ = 4x² find maximum value of x + y

7921 × 51 + 374 = (?)³

The value of (68.237)² – (31.763)² is;