IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 579 - 584 of 968

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Question number: 579

» Everyday Mathematics

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MCQ▾

Question

Walking at five-fourths of his usual speed a man covers a certain distance in five hours than the time he takes to cover the distance at his usual speed. The time taken by him to cover the distance with his usual speed is ________

Choices

Choice (4) Response

a.

23 hours

b.

22 hours

c.

25 hours

d.

26 hours

Question number: 580

» Everyday Mathematics

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MCQ▾

Question

A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B can do the work in ________

Choices

Choice (4) Response

a.

20 days

b.

12 days

c.

30 days

d.

15 days

Question number: 581

» Arithmetic Progressions

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MCQ▾

Question

Obtain the sum of all positive integers up to 2000, which are divisible by 5 and not divisible by 2

Choices

Choice (4) Response

a.

1,00,000

b.

5,00,000

c.

3,02,000

d.

2,00,000

Question number: 582

» Arithmetic Progressions

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MCQ▾

Question

The sum of the first term and the fifth term of an ascending A. P. is 28 and the product of the second term by the fourth term is 180. Find the sum of the first seven terms of this A. P

Choices

Choice (4) Response

a.

126

b.

115

c.

133

d.

140

Question number: 583

» Arithmetic Progressions

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MCQ▾

Question

The value of is ________

Choices

Choice (4) Response

a.

1696

b.

1638

c.

1292

d.

3499

Question number: 584

» Arithmetic Progressions

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MCQ▾

Question

If Belongs to A. P. such that , then the value of equals ________

Choices

Choice (4) Response

a.

1500

b.

1400

c.

1652

d.

1300