Quantitative Aptitude - Arithmetic Ability Questions

HCF of two numbers is 19 and their LCM is 665. If one of the number is 95, find the other.

On selling 120 bottles, Vijay earns profit equal to the cost price of 10 bottles. What is the profit percentage?

What is the value of (tan45° + 1/√2) ?

A person borrows some money for 8 years at a rate of simple interest. If the ratio of principal and total interest is 5 : 8, then what is the rate ( inpercentage) of interest?

The average revenues of 7 consecutive years of a company is Rs 79 lakhs. If the average of first 4 years is Rs 74 lakhs and that of last 4 years is Rs 86 lakhs, what is the revenue for the 4th year?

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1⁄2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is:

Pipes A, B, and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hours, respectively, the third can drain the cistern, when filled, in 6 hours. If all the three pipes are opened simultaneously when the cistern is three-fifth full, how many hours will be needed to fill the cistern?

If a.sin 45°.cos 45°.tan60° = tan 245° ­ cos60° then find the value of a ?