Quantitative Aptitude - Arithmetic Ability Questions

A boy running at 10/9 th of his actual speed covers 39 km in 2 hours 20 minutes and 24 seconds. Find the actual speed of the boy (approx.)

The length of diagonal of a square is 9√2 cm. The square is reshaped to form a triangle. What is the area (in sq.cm) of largest in circle that can be formed in that triangle?

If √(1 + cot2A)/cotA = x, then the value of x is

Select the odd word/letters/number/number pair from the given alternatives.

If 11+11+11+1x = 58, then what is the value of x?

If the shopkeeper sells an item at Rs 1250 which is marked as Rs 1500, then what is the discount he is offering?

If 5% of (P + Q) = 20% of (P – Q), then P is what percentage of Q?

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?