Who has been presided over the first three-member

Find the LCM of pair of the following polynomials x⁴ – 27a³ x, (x-3a)², whose GCD is (x-3a)

If Karkuzhali earns ₹ 1,800 in 15 days, then she earns ₹3,000 in ___________days.

A machine bought at Rs. 50,000 falls in its value by 8% of its value every year. Find the value of the machine after 2 years.

The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, what is the area of the field?

If a/b = 3/5, b/c = 4/7 then a:b:c is

Find the G.C.D. of the following:

35x⁵ y³ z⁴, 49x² yz³, 14xy² z²

Select the number from the given options which will come in place of the question mark (?) in the following series. 

6, 12, 14, 28, 30, 60, ?

Find the missing number

2, 4, 12, 48, 240, .....