Which number among the following does not belong to the series 8, 27, 50, 125, 343?

The measure of each of two opposite angles of a rhombus is 60° and the measure of one of its sides is 10 cm. The length of its smaller diagonal is: 

While travelling downstream, a man can row 16 km more in 4 hours as compared to travelling upstream. What is the speed of the stream?

The area bounded by the lines x = 0, y = 0, x + y = 1, 2x + 3y = 6 (in square units) is 

What approximate value will come in place of the question mark (?) in the following questions?

324.995 x 15.98 ÷ 4.002 + 36.88 =? 

How much interest will be received in 2.5 years at the rate of 4 percent simple interest of Rs. 3,680?

The strength of a school increases and decreases in every alternate year by 10 %. It started with increase in 2000, then the strength of the school in 2003 as compared to that in 2000 was : 

If 0.13 x p² = 13, then p is equal to