Select the most appropriate ANTONYM of the given

Find the LCM of the following fractions:

4/13, 5/7 and 7/5 

What will be the greatest common divisor (GCD) of (x² - 12x + 35) and (x² - 9x + 14).

Two numbers have HCF 4 and LCM 48. If one of the numbers is 12, find the other number.

The sum of HCF and LCM of two numbers is 450. If the LCM is 14 times the HCF, and one number is 42, what is the second number?

Rohit spends an average of Rs. 500 on Sundays and Rs. 350 on the remaining days. Find his average spending in a 30-day month starting with Sunday.

If total number of factors of 1,575 is 'x', then find the value of (x - 3) (x + 9).

The ratio of two numbers is 5: 8 and their LCM is 320. What is the difference between these two numbers?

The H.C.F of two numbers is 3 and their L.C.M is 782. If one of the numbers is 34, find the other?

What will be the greatest common divisor (GCD) of (x² - 6x + 8) and (x² - 9x + 20).