Quantitative Aptitude - Arithmetic Ability Questions

If a+bab=21 ,  then the value of (a-b) is

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

Determine the value of 1r+1s when r3+s3=0 and r+s=6 ?

U starts a business by investing Rs 45000 and V join him after one year with an amount of Rs 33000. After two years from the starting of business, they earned profit of Rs 16400. What will be the U’s share (in Rs) in the profit?

Find out the odd word/letters/number/number pair from the given alternatives.

An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.

In a test, Charan secured 54 marks that was also equivalent to obtaining 72% marks. How many marks was the test out of?

If 2x + 3(5-2x) > 2 - 3x < 2x - x/3, then x can take which of the following values?