Quantitative Aptitude - Arithmetic Ability Questions

On dividing 8a2b2c2 by 4a2, we get

The ratio of three numbers is 5 : 6 : 8. If the sum of the three numbers is 380, then what is the smallest among the three numbers?

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

Find the circumference (in cm) of a circle of radius 10.5 cm

The area of a circle is 616 sq.m. Find its diameter.

The simplest form of 3565/1495 is

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?