IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 218 - 223 of 1022

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Question 218

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Question

MCQ▾

A number is multiplied by 6. If 24 is subtracted from the product and difference is divided by 42, the result is equal to 10. The number is ________.

Choices

Choice (4)Response
a.74
b.56
c.19
d.52

Question 219

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Question

MCQ▾

5 is added to a number and the sum is multiplied by 5. If 25 is subtracted from the product and difference is divided by 8, the result is equal to 10. The number is ________.

Choices

Choice (4)Response
a.10
b.19
c.16
d.14

Question 220

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Question

MCQ▾

Savan is n years older than his sister is. His sister’s age is 19. What is their total age before 2 years?

Choices

Choice (4)Response
a.years
b.years
c.years
d.years

Question 221

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Question

MCQ▾

, then find the value of X.

Choices

Choice (4)Response
a.8
b.
c.1
d.

Question 222

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Question

MCQ▾

The number of girls in a class is 4 times the number of boys. Which of the following cannot be the total number of children in the class?

Choices

Choice (4)Response
a.25
b.17
c.35
d.105

Question 223

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Question

MCQ▾

One-third of Rajani’s marks in Mathematics exceeds a half of his marks in English by 30. If he got 120 marks in the two subjects together, how many marks did he get in English?

Choices

Choice (4)Response
a.42
b.84
c.78
d.36