Quantitative Aptitude - Arithmetic Ability Questions

 In ΔDEF measure of angle E is 90 deg. If tanD = 4/3, and DE = 6cm, then what is the length (in cm) of side EF?

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

Find the smallest of the following decimals.

If in-radius of an equilateral triangle is 3 cm. Calculate the perimeter (in m) of the equilateral triangle.

Pipes A and C can fill an empty cistern in 32 and 48 hrs, respectively while Pipe B can drain the filled cistern in 24hrs. If the three pipes are turned on together when the cistern is empty, how many hrs will it take for the cistern to be 2/3 full?

ΔABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is

Each exterior angle of a regular polygon measures 9 deg. How many sides does the polygon have?

What is the value of 2 consecutive natural numbers, sum of whose squares is 145?