Quantitative Aptitude - Arithmetic Ability Questions

A does 30% of a work in 30 days. He then calls in B and they together finish the remaining work in 20 days. How long B alone would take to do the whole work?

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

Mishti's birthday is on Thursday 27th April. On what day of the week will be Aradhya's Birthday in the same year, if Aradhya was born on 20th October?

25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?

If x = 222, y = 223, z = 225 then the value ofx3 + y3 + z3 - 3xyz is

If 13A = 11B = 8C, find A : B : C

Select the odd word from the given alternatives.

The first and last terms of an arithmetic progression are 32 and ­-43. If the sum of the series is ­-88, then it has how many terms?