Quadratic Equations (IMO- Mathematics Olympiad Class 10): Questions 50 - 54 of 80

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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 a2=14a+51

Choices

Choice (4) Response

a.

17or3

b.

12or7

c.

12or6

d.

15or9

Question number: 53

» Quadratic Equations

MCQ▾

Question

Solve the quadratic equation 2a2+6a+29=0

Choices

Choice (4) Response

a.

6or2

b.

1.53.5ior1.5+3.5i

c.

5or2

d.

2.596or5.593

Question number: 54

» Quadratic Equations

MCQ▾

Question

During practice, a softball pitcher throws a ball whose height can be modeled by the equation p=16q2+24q+1 , where p = height in feet and q = time in seconds. How long does it take for the ball to reach a height of 6 feet?

Choices

Choice (4) Response

a.

6.12,4.25

b.

1.25,3.25

c.

0.25,3.25

d.

0.25,1.25

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