J P Mohindru and Bharat Mohindru Solutions for Chapter: Real Numbers, Exercise 3: EXERCISE

Find the prime factorisation of the following number: $96$

Find the prime factorisation of the number: $408$

Find the prime factorisation of the number: $2025$

Express $16380$ as prime factors.

Express the following number as product of their primes.

$49896$

Express the following number as product of their primes.

Kiran goes to Big Bazaar every $64$ days and Harpreet goes to the same every $72$ days. They met each other one day. How many days later will they meet each other again?

There is a circular path around a sports field. Sonia takes $18$ minutes to drive one round of the field, while Ravi takes $12$ minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. If they meet again at the starting point at $x$ minutes, then what is the value of $x$?