IMO- Mathematics Olympiad Class 6: Questions 817 - 822 of 1049

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Question number: 817

» Algebra

MCQ▾

Question

Misha travelled 2x km on towards the school, 3y km to tuition and 5z km towards home. The total distance covered by Misha by an algebraic expression is

Choices

Choice (4) Response

a.

(2x+3y5z) km

b.

(2x3y5z) km

c.

(3x2y+5z) km

d.

(2x+3y+5z) km

Question number: 818

» Symmetry and Practical Geometry

MCQ▾

Question

An angle of 22.50 is drawn using a pair of compass and ruler by

Choices

Choice (4) Response

a.

Bisecting 1800 and 1200

b.

Bisecting 900 and the bisecting it again

c.

Bisecting 1200 and 900

d.

Bisecting 900

Question number: 819

» Ratio and Proportion

MCQ▾

Question

If ________ liters: 25 liters = 15000 m: 120 km, then ________means

Choices

Choice (4) Response

a.

3.125

b.

3

c.

5.123

d.

2.512

Question number: 820

» Algebra

MCQ▾

Question

Ages of two friends are in the ratio 2: 1. If the sum of their ages is 51, then their ages are respectively

Choices

Choice (4) Response

a.

30 yrs. 15 yrs.

b.

20 yrs. 10 yrs.

c.

34 yrs. 17 yrs.

d.

34 yrs. 20 yrs.

Question number: 821

» Algebra

MCQ▾

Question

When Hina multiplies a certain number by 21 and adds 3 to the product, she gets 318. Find that number.

Choices

Choice (4) Response

a.

14

b.

16

c.

13

d.

15

Question number: 822

» Mensuration

MCQ▾

Question

A room is 12.5 m long and 8 m wide. A square carpet of side 8 m is laid on its floor. Find the area of the floor which is not carpeted?

Choices

Choice (4) Response

a.

63 sq. m

b.

36 sq. m

c.

36 m

d.

63 m

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