Quantitative Aptitude - Arithmetic Ability Questions

In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers

I. 2x ² –21x + 54 = 0

II. y ² –14y + 49 = 0

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 18% per annum is Rs 81. The sum is ____.

The curved surface area and the slant height of a right circular cone are 99 sq.cm and 9 cm respectively. Find its diameter (in cm)

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

You have 20 big and 16 small diaries and want to make gift packs containing both in each pack. What is the maximum number of gift packs you can make without any left over?

If a + b = 5 and ab = 6, then what is the value of a3 + b3?

In the following question, select the odd letter/letters from the given alternatives.

Select the odd letters from the given alternatives.