Everyday Mathematics (IMO- Mathematics Olympiad Class 9): Questions 79 - 84 of 99

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Question number: 79

» Everyday Mathematics

MCQ▾

Question

If 3 is added to the denominator of a fraction, the fraction becomes 6. If 4 is added to the numerator, the fraction becomes 30, the fraction is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 80

» Everyday Mathematics

MCQ▾

Question

In an office, the number of men is more than the number of women by 12 Equation of the total strength. The ratio of men’s to women’s is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 81

» Everyday Mathematics

MCQ▾

Question

If a commission of Equation is given on the marked price of a book, the publisher gains Equation . If the commission is increased to Equation , the gain is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

None of the above

Question number: 82

» Everyday Mathematics

MCQ▾

Question

The compound interest on Rs. 100000 at Equation per annum for 2 years 3 months, compound annually is ________

Choices

Choice (4) Response

a.

Rs. 100000

b.

Rs. 251200

c.

Rs. 151200

d.

Rs. 51200

Question number: 83

» Everyday Mathematics

MCQ▾

Question

If 20 men working 5 hours a day for 10 days can complete a job, how many men working 10 hours a day for 5 days will be needed?

Choices

Choice (4) Response

a.

20

b.

50

c.

25

d.

65

Question number: 84

» Everyday Mathematics

MCQ▾

Question

A fan is listed at Rs. 650, with a discount of Equation what additional discount must be offered to the customer to bring the net price to Rs. 452?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

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