निम्नलिखित प्रश्न

Find the LCM of 30, 35, 40, 60.

Find the LCM of the following fractions:

4/13, 5/7 and 7/5 

If the product of two numbers is 350 and their HCF is 10, then find the LCM of the given two numbers.

If two numbers have a product of 350 and their HCF is 7, find the LCM of these numbers.

The LCM of two numbers is 168, and the numbers are in the ratio 4:7. Find the sum of the numbers.

The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is 

Three numbers are in the ratio 5:3:2 respectively. If the HCF of the numbers is 4, then find the LCM of the numbers.

If total number of factors of 1,260 is 'x', then find the value of (x - 4) (x + 6).

The sum of two numbers is 126 and their HCF is 14. Total number of such pairs of numbers is?     

Three numbers are in the ratio 2:3:4 and their HCF is 24. Find the numbers?