A person P walks 10 meters towards South. Then he turns to his left and walks 20 meters and then turns to his right. Then after walking 15 meters, he turns to his right and walks 20 meters. Finally he turns to his right and walks 10 meters, turns to his left and then walks 20 meters. The shortest distance from the starting point to his present position is

Find the smallest number which, when divided by 12,18 and 24 , leaves a remainder of 5 in each case.

What is the largest 4 digit number that is divisible by 3,7,11,13 ?

The number of pairs of positive integers whose sum is 99 and HCF is 9 is

Find the HCF of 2.8, 11.2 and 0.84 .

Find the smallest number which when increased by 20 is completely divisible by 12, 20, 15, 18 and 24.

The LCM of the numbers 3.7 and 0.068 is:

Find the Highest Common Factor (HCF) of 372, 732 and 2196.

If the HCF of the expressions (x + 3) (2x² – 3x + a) and (x – 2) (3x² + 10x – b) is x² + x – 6, then what is the value of (2a – 3b) ?

Reduce $$\frac {295} {565}$$​ to lowest form using HCF