Quantitative Aptitude - Arithmetic Ability Questions

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

If a+1b=1 and b+1c=1 , then the value of c+1a is

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?

Between 200 and 400 how many numbers are divisible by 7?

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter