IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 539 - 544 of 1022

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Question 539

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Question

MCQ▾

Falak can solve 1 mathematical problem in 7 minutes. Then what time she will take to complete similar 12 problems?

Choices

Choice (4)Response
a.1 hrs 4 min
b.1 hr 24 min
c.1 hr 34 min
d.2 hrs 30 min

Question 540

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Question

MCQ▾

By selling jeans for Rs. 630 a shopkeeper loses 10%. At what price should he sell the jeans so as to gain 10%?

Choices

Choice (4)Response
a.Rs. 750
b.Rs. 275
c.Rs. 350
d.Rs. 770

Question 541

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Question

MCQ▾

A CD stand has 36 CDs of movies. On Sunday, 21 CDs were viewed by Rani. How many CDs remain unwatched?

Choices

Choice (4)Response
a.25
b.12
c.15
d.11

Question 542

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Question

MCQ▾

The selling price of a necklace is Rs. 25800 and the loss percent is . Find the cost price of the necklace.

Choices

Choice (4)Response
a.Rs. 30961
b.Rs. 30491
c.Rs. 39601
d.Rs. 32600

Question 543

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Question

MCQ▾

Meet’s father was 31 years old when his sister was born. His mother is 3 years younger than his father. Now Meet is 25 years old and his sister is 4 years older than him. What is the present age of Meet’s mother?

Choices

Choice (4)Response
a.56 years
b.59 years
c.57 years
d.60 years

Question 544

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Question

MCQ▾

In a company, there are 45 % female employees. 40 % of all the male employees are developer. If there 58 % employees are developer out of the total 1800 employees, then the number of female employees who are developer are ________.

Choices

Choice (4)Response
a.652
b.648
c.Can’t be determined
d.940