Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If 3a+4b3c+4d = 3a-4b3c-4d, then 

Find the products : 0.5 x 0.05 x 0.005 x 500

The ratio of the cost price and selling price of an article is 5 : 3. What is the loss percentage?

Amit's age is four times the age of Babli. Babli's age is three times the age of Priya. If the present age of Priya is 5 years, what is the present age (in years) of Amit?

A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in

If the time increases by 5 years, then simple interest increases by Rs 3000 on a sum of Rs 5000. What is the rate (in percentage) of interest per annum?

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?