Everyday Mathematics (IMO- Mathematics Olympiad Class 10): Questions 11 - 15 of 67

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Question number: 11

» Everyday Mathematics

MCQ▾

Question

Kamla got married 6 years ago. Today her age is 114 times her age at the time of marriage. Her son’s age is (110) times her age. Her son’s age is ________

Choices

Choice (4) Response

a.

5 years

b.

3 years

c.

4 years

d.

2 years

Question number: 12

» Everyday Mathematics

MCQ▾

Question

2 men and 7 boys can do a piece of work in 14 day, 3 men and 8 boys can do the same in 11 days. 8 men and 6 boys can do 3 times the amount of this work in ________

Choices

Choice (4) Response

a.

18 days

b.

36 days

c.

24 days

d.

21 days

Question number: 13

» Everyday Mathematics

MCQ▾

Question

P is twice good a workman as Q and therefore is able to finish a job in 30 days less than Q. Working together they can do it in ________ days.

Choices

Choice (4) Response

a.

40

b.

50

c.

20

d.

30

Question number: 14

» Everyday Mathematics

MCQ▾

Question

One year ago the ratio between Laxman’s and Gopal’s salary was 12:16 . The ratios of their individual salaries between last year’s and this year’s salaries are 4:5 and 2:3 respectively. At present, the total of their salary is Rs. 4160. The salary of Laxman now, is ________

Choices

Choice (4) Response

a.

Rs. 3120

b.

Rs. 1600

c.

Rs. 2560

d.

Rs. 1040

Question number: 15

» Everyday Mathematics

MCQ▾

Question

P, Q and R start at the same time in the same direction to run around a circular stadium. P completes a round in 280 seconds, Q in 310 seconds and R in 200 seconds, all starting at the same point. After what time will they meet again at the starting point?

Choices

Choice (4) Response

a.

846 minutes 15 seconds

b.

126 minutes 18 seconds

c.

445 minutes 55 seconds

d.

723 minutes 20 seconds

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