(x+2y) (x² + 4y² – 2xy) equal to- 

The ratio between the length and breadth of a rectangular park is 3: 2. If a man cycling along the boundary of the park at the speed of 12 Km./hr. completes one round in 8 min, then the area of the park in sq.m is – 

Neena and Meena started a business with investment of Rs. 30,000 and Rs. 45, 000 Respectively. What will be the share of Meena from the profit of Rs.1,50,000 after  2 years?

If Tan⁴x – Tan²x=1 then the value of Sin⁴x + Sin²x is__

Given k = -3. Find the value of $$ {k^3+3k}$$. 

In an examination in which full marks were 500. A got 25% more than C, C got 20% less than D. If A got 360 marks. What percentage of full marks was obtained by D ? 

A dozen pairs of socks quoted at 180 are available at a discount of 20 %. How many pairs of socks can be bought for 48? 

The average of five consecutive number is 26, then the multiple of the first and the last number is