IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 471 - 475 of 1022

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Question 471

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Question

MCQ▾

Jenny uses 36 beads to make 4 bracelets. How many of the same type of bracelets can Jenny make with 180 beads?

Choices

Choice (4)Response
a.972
b.27
c.20
d.432

Question 472

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Question

MCQ▾

Ruhi and her father both had birthdays next week. The sum of their ages will be 70 years. Her father’s age is 1.5 times Ruhi’s age. What is her father’s age?

Choices

Choice (4)Response
a.35 years
b.55 years
c.45 years
d.30 years

Question 473

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Question

MCQ▾

Sharad has a total of Rs. 60,000. He spends 10 % of his money on clothes and from remaining he spends 15 % of money on tuition fees. How many total rupees does he spend?

Choices

Choice (4)Response
a.Rs. 14000
b.Rs. 14100
c.Rs. 15100
d.Rs. 15200

Question 474

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Question

MCQ▾

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.18: 17
b.5: 6
c.17: 18
d.6: 5

Question 475

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Question

MCQ▾

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. 345
b.Rs. 300
c.Rs. 325
d.Rs. 295