IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 585 - 591 of 968

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Question number: 585

» Arithmetic Progressions

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MCQ▾

Question

The sum of the fourth term and the six term of an ascending A. P. is 50 and the product of the third term by the fifth term is 200. Find the sum of the first ten terms of this A. P

Choices

Choice (4) Response

a.

392.5

b.

529.5

c.

292.5

d.

492.5

Question number: 586

» Arithmetic Progressions

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MCQ▾

Question

In an A. P. , the sum of first n terms is , find its term

Choices

Choice (4) Response

a.

76

b.

79

c.

75

d.

78

Question number: 587

» Arithmetic Progressions

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MCQ▾

Question

Four numbers are inserted between the numbers 10 and 40 such that an A. P. results. Find the biggest of these four numbers.

Choices

Choice (4) Response

a.

35

b.

39

c.

38

d.

34

Question number: 588

» Arithmetic Progressions

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MCQ▾

Question

If the sum of three consecutive terms of an increasing A. P. is 18 and the product of the first and third of these terms is 35, then the third term is ________

Choices

Choice (4) Response

a.

12

b.

3

c.

0

d.

7

Question number: 589

» 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.

6116

b.

1308

c.

2400

d.

1900

Question number: 590

» Arithmetic Progressions

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MCQ▾

Question

If the term of an A. P. is and term is , then the terms is ________

Choices

Choice (4) Response

a.

2

b.

4

c.

3

d.

1

Question number: 591

» 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.

1654

b.

1325

c.

4582

d.

1840