IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 286 - 292 of 968

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Question number: 286

» Quadratic Equations

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MCQ▾

Question

The expression is divisible by . Then m is a divisor of ________

Choices

Choice (4) Response

a.

20

b.

40

c.

54

d.

45

Question number: 287

» Quadratic Equations

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MCQ▾

Question

The positive value of k for which the equations and will both have real roots, is ________

Choices

Choice (4) Response

a.

4

b.

8

c.

16

d.

12

Question number: 288

» Quadratic Equations

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MCQ▾

Question

Solve the equation by using quadratic formula, then x is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 289

» Quadratic Equations

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MCQ▾

Question

If one roots of is twice the other root, then the value of ‘a’ is ________

Choices

Choice (4) Response

a.

-20

b.

20

c.

-15

d.

15

Question number: 290

» Quadratic Equations

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MCQ▾

Question

A convex polygon has 44 diagonals. The number of its sides is ________

Choices

Choice (4) Response

a.

11

b.

10

c.

12

d.

13

Question number: 291

» Quadratic Equations

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MCQ▾

Question

In a bangle shop, if the shopkeeper displays the bangles in the form of a square then he is left with 38 bangles with him. If he wanted to increase the size of square by one unit each side of the square he found that 25 bangles fall short of in completing the square. The actual number of bangles which he had with him in the shop was ________

Choices

Choice (4) Response

a.

999

b.

Can’t be determined

c.

538

d.

1690

Question number: 292

» Quadratic Equations

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MCQ▾

Question

Solve the quadratic equation

Choices

Choice (4) Response

a.

b.

c.

d.