Quantitative Aptitude - Arithmetic Ability Questions

Parimal has done 1/4th of a job in 10 days, Salim completes the rest of the job in 20 days. In how many days can they together do the job?

A and B can together complete a task in 18 hours. After 6 hours A leaves. B takes 36 hours to finish rest of the task. How many hours would A have taken to do the task if he worked alone?

Simple interest on a sum of Rs 1400 for 3 years and 4 months is Rs 700. What is the rate (in percentage) of interest per annum?

Find the LCM of 0.63, 10.5, 2.1, 4.20

What is the area (in sq cm) of a rectangle of perimeter 90 cm and breadth 20 cm?

What is the value of (-7776)25

The product of the ages of Swati and Aparna is 120. If thrice the age of Aparna is more than Swati's age by 2 years, find the age of Swati.

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