Last year Harry’s take-home salary was $22,000. He spent 26% on the rent and the rest of the money on entertainment, clothes, and groceries in the ratio of  4:1:3.

How much did Harry spend on entertainment?

The weight of a steel rod is directly proportional to its length.

A rod is 16 meters long and weighs 5.6 kg.

What is the weight of a rod that is 35 meters long?

Krish has picked five consecutive numbers.

What percentage is the middle number of the sum of the remaining numbers?

Which of the following has the greatest value?

⅔ of the students in a class appeared for the Math Olympiad test.

4/9 of those who appeared for the Maths olympiad test were girls.

4 more boys than girls did not appear for the Maths Olympiad test.

There are 54 students in the class. 

Which of the following statements are NOT correct.

A square is given.

 Paul: If we increase sides by 25% area will also increase by 25%

Phil: If we increase sides by 25% area will increase by 50%

Who is correct?