IMO- Mathematics Olympiad Class 6: Questions 748 - 753 of 1049

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Question number: 748

» Algebra

MCQ▾

Question

I had Rs. 350 with me. I gave Rs. 2x to Shalini, Rs. x2 to Jaimin and I am left with Rs. 5x2 . The amount left with me is

Choices

Choice (4) Response
a.

Rs. 155

b.

Rs. 175

c.

Rs. 135

d.

Rs. 150

Question number: 749

» Algebra

MCQ▾

Question

To get the value of ‘b’, ________ to be multiplied on either side of equation b3=19 .

Choices

Choice (4) Response
a.

+ 3

b.

+ 19

c.

0

d.

- 3

Question number: 750

» Ratio and Proportion

MCQ▾

Question

In a cricket coaching camp, 1200 children are trained out of which 900 are selected for various matches. Ratio of non-selected children to the total number of children is

Choices

Choice (4) Response
a.

120: 300

b.

1: 4

c.

300: 120

d.

4: 1

Question number: 751

» Algebra

MCQ▾

Question

In 6(2a1)+8=14 , the value of ‘a’ is

Choices

Choice (4) Response
a.

- 1

b.

410

c.

3112

d.

+1

Question number: 752

» Ratio and Proportion

MCQ▾

Question

The ratio of teacher’s age to that his student’s age is equal to the ratio of the principal’s age to that of clerk’s age. If the ages of teacher, student and clerk be 30, 20 and 45 years respectively, then the age of the principal is

Choices

Choice (4) Response
a.

70 years

b.

67.5 years

c.

65 years

d.

69 years

Question number: 753

» Algebra

MCQ▾

Question

The number of women in an office is 2 times the number of men. Which of the following cannot be the total number of employees in the class?

Choices

Choice (4) Response
a.

18

b.

30

c.

26

d.

36

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