Quantitative Aptitude - Arithmetic Ability Questions

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

A person lent Rs 10000 to B for 3 years and Rs 6000 to C for 4 years on simple interest at same rate of interest and received Rs 5400 in all from both of
them as interest. What is the rate of interest (in %)?

What is the value of 1xp-q+1+1xq-p+1?

In the following question, select the odd number pair from the given alternatives.

If the product of two numbers is 4941 and their LCM is 81, then their HCF is :

90% of X = 40% of Y and Y = a% of X. What is the value of a?

Two baskets together have 640 oranges. If (1/5)th of the oranges in the first basket be taken to the second basket. The number of oranges in the first basket is

If Shubhangi walks with a speed of 2 km/hr, then she reaches her school 5/2 minutes late but if she walks with a speed of 2.5 km/hr, then she reach 5 minutes before the scheduled time. What is the distance (in km) of her school from her house?