IMO- Mathematics Olympiad Class 8: Questions 832 - 838 of 1029

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 832

» Everyday Mathematics

MCQ▾

Question

Dishant gets 2 marks for each correct answer and loses 1 marks for each wrong answer. He attempts 60 problems and obtains 15 marks. The number of problem solved correctly is________.

Choices

Choice (4) Response

a.

25

b.

18

c.

10

d.

21

Question number: 833

» Everyday Mathematics

MCQ▾

Question

If Equation students of a class of strength 90 are girls, then number of boys equals________.

Choices

Choice (4) Response

a.

50

b.

30

c.

40

d.

10

Question number: 834

» Everyday Mathematics

MCQ▾

Question

Vimal is traveling at an average rate of 40 miles per hour. How far does he travel in 1Equation hours?

Choices

Choice (4) Response

a.

60 miles

b.

100 miles

c.

50 miles

d.

20 miles

Question number: 835

» Everyday Mathematics

MCQ▾

Question

The average age of 4 boys is 25 years and their ages are in proportion 1: 2: 3: 4, the age of youngest girl is________.

Choices

Choice (4) Response

a.

4 years

b.

5 years

c.

10 years

d.

9 years

Question number: 836

» Everyday Mathematics

MCQ▾

Question

Two pens and three pencils cost Rs. 80. Four pens and a pencils cost Rs. 112. Find the cost of the pen.

Choices

Choice (4) Response

a.

11

b.

25

c.

30

d.

35

Question number: 837

» Everyday Mathematics

MCQ▾

Question

The total area of a semicircle and a rectangle is equal to 177 sq. cm. The diameter of the circle is 14 cm and the length of the rectangle is 20 cm. The perimeter of a rectangle is________.

Choices

Choice (4) Response

a.

40 cm

b.

60 cm

c.

55 cm

d.

50 cm

Question number: 838

» Everyday Mathematics

MCQ▾

Question

The average age of 3 girls is 15 years and their ages are in proportion 3: 5: 7, the age of youngest girl is________.

Choices

Choice (4) Response

a.

4 years

b.

9 years

c.

5 years

d.

10 years

f Page
Sign In