Olympiad – Class VII – Mathematics - Comparing Quantities

Buy Olympiad -VII Standard Practice test pack

Question - 1

In an office the working hours are 10:30 a.m. to 5:30 p.m. and in between 30 minutes are spent for lunch. Find the ratio of office hours to the time spent for lunch.

  • A 7: 30
  • B 1: 14
  • C 14: 1
  • D 30: 7

Question - 2

Which of the following is the condition for two ratios to be equal?

  • A Product of means is equal to antecedents
  • B Product of extremes is equal to consequents
  • C Antecedents are equal to consequents
  • D Product of means is equal to product of extremes.

Question - 3

If 20: 5:: p: 1, what is the value of p?

  • A \(\frac{1}{5}\)
  • B 4
  • C 5
  • D 1

Question - 4

What is the mean proportion of 25: 20:: 20: 16?

  • A 25
  • B 20
  • C 16
  • D 100

Question - 5

A boy has enough money to buy 20 books. If each book costs 25 paise less, he could buy two more books and still have 70 paise left. How much money does the boy have?

  • A Rs.16
  • B Rs.24
  • C Rs.48
  • D Rs.36

Question - 6

When a number is reduced by 4, it becomes 80% of itself. Find the number.

  • A 20
  • B 30
  • C 40
  • D 50

Question - 7

If \(2\frac{1}{2}\%\) of a number is 0.2, what will be 120% of it?

  • A 10.8
  • B 4.8
  • C 9.6
  • D 12.4

Question - 8

The number of seats for admission is increased by 10% every year. If the number of seats in 2001 was 400, what was the number of seats in 2003?

  • A 824
  • B 484
  • C 500
  • D 480

Question - 9

In an election between two candidates, the candidate who gets 30% of the votes polled is defeated by 15000 votes. What is the number of votes polled for the winning candidate?

  • A 37500
  • B 30000
  • C 26250
  • D 11250

Question - 10

In 2003, Indian cricket team played 60 games and won 30% of the games played. After a phenomenal winning streak, this team raised its average to 50%. How many games did the team win in a row to attain this average?

  • A 36
  • B 24
  • C 48
  • D 12