Quantitative Aptitude - Arithmetic Ability Questions

If u : v = v : w, then what is the value of u4 : v4?

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

What is the value of the expression a3 - 5 + 2816a, when a = 2?

Which of the following will yield a reclining decimal?

ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

Bipul is 16 years younger than Saibal. 12 years hence, Saibal's age will be 1.5 times that of Bipul. Saibal is now ___ years old.

The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 1st year?