Quantitative Aptitude - Arithmetic Ability Questions

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

If a3 + b 3 = 35 and ab = 6, then what is the value of a + b?

A bag contains coins of denominations Rs.1, Rs.5 and Rs.10. Assuming there are equal number of Rs.1, Rs.5 and Rs.10, what will be the total number of coins in the bag be if the total money is Rs. 368?

What is the value of (1/2) Sec 30° + √2 Tan 60°?

In the last financial year, a car company sold 41,800 cars . In this year, the target is to sell 51,300 cars . By what percent must the sale be increased ?

If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :

Which of the following numbers is a perfect square?

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?