Quantitative Aptitude - Arithmetic Ability Questions

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?

How many numbers are there from 2000 to 7000 which are both perfect squares and perfect cubes?

Two motorcycles are moving towards each other with the speeds of 38 km/hr and 88 km/hr respectively. One second before the collision what will be the distance (in metres) between the two motorcycles?

The marked price of a chair is Rs 550 and a discount of 20% is given on it. What is the selling price (in Rs)?

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

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

When 0.090909.....is converted into a fraction, then the result is

A certain sum of money triples itself in 5 years at simple interest. In how many years it will be five times?