Quantitative Aptitude - Arithmetic Ability Questions

There are 10 dozen apples, 15 dozen mangoes and 20 dozen oranges for selling. If 1/2, 1/3 and 1/4 of them are sold respectively. How many of the total fruits are remaining?

The length, breadth and height of a cuboid are 12 cm, 8 cm and 6 cm respectively. The volume of the cuboid is (Use π = 22/7)

If the curved surface area of a right circular cone is 10010 sq cm and its radius is 35 cm, find its volume?

Alarms from 3 different clocks sound after every 2, 4 and 6 hours, respectively. If the clocks are startedat the same 6 time, how many times do the alarms ring together in 3 days?

How many 3 ­digit numbers are completely divided by 4.

Find 2 consecutive natural numbers, sum of whose squares is 25.

How many natural numbers between 15 and 85 are divisible by 7?

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?