Quadratic Equations (IMO- Mathematics Olympiad Class 10): Questions 47 - 52 of 80

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Question number: 47

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

8

b.

4

c.

16

d.

12

Question number: 48

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 49

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

-15

b.

15

c.

20

d.

-20

Question number: 50

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

13

b.

10

c.

11

d.

12

Question number: 51

» Quadratic Equations

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.

1690

b.

Can’t be determined

c.

999

d.

538

Question number: 52

» Quadratic Equations

MCQ▾

Question

Solve the quadratic equation Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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