IMO- Mathematics Olympiad Class 7: Questions 474 - 479 of 1012

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Question number: 474

» Everyday Mathematics

MCQ▾

Question

Two equal containers are filled with a mixture of sunflower-oil and fortune-oil. The concentration of sunflower-oil in each of the containers is 10 % and 15 % respectively. What is ratio of fortune-oil in both the containers respectively?

Choices

Choice (4) Response

a.

5: 6

b.

6: 5

c.

18: 17

d.

17: 18

Question number: 475

» Everyday Mathematics

MCQ▾

Question

By selling a shirt for Rs. 285 a shopkeeper loses 5%. At what price should he sell the shirt so as to gain 15%?

Choices

Choice (4) Response

a.

Rs. 295

b.

Rs. 345

c.

Rs. 325

d.

Rs. 300

Question number: 476

» Everyday Mathematics

MCQ▾

Question

A diver was diving 80 meters below sea level. He went down 50 meters more and came up 40 meters. How far below sea level did he dives?

Choices

Choice (4) Response

a.

Equation meters

b.

Equation meters

c.

Equation meters

d.

Equation meters

Question number: 477

» Everyday Mathematics

MCQ▾

Question

Kiran answered Equation of the questions on her quiz correctly. What percent of the questions did she answer incorrectly?

Choices

Choice (4) Response

a.

75%

b.

50%

c.

34%

d.

25%

Question number: 478

» Everyday Mathematics

MCQ▾

Question

Jimmy’s and her mother both had birthdays last month. The sum of their ages is 75 years. His mother’s age is 4 times Jimmy’s age. What is age of Jimmy’s mother?

Choices

Choice (4) Response

a.

50 years

b.

45 years

c.

60 years

d.

15 years

Question number: 479

» Everyday Mathematics

MCQ▾

Question

Each of two groups of tourists has 30 students. If Equation of the first group and Equation of the second group board buses to travel to a tour, how many more students of the first group board buses than of the second group?

Choices

Choice (4) Response

a.

4

b.

5

c.

40

d.

2

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