Quadratic Equations [IMO Level 1- Mathematics Olympiad (SOF) Class 10]: Questions 46 - 52 of 96

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Question 46

Question MCQ▾

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

Choices

Choice (4)Response

a.

20

b.

40

c.

54

d.

45

Edit

Question 47

Question MCQ▾

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

Edit

Question 48

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 49

Question MCQ▾

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

Edit

Question 50

Question MCQ▾

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

Choices

Choice (4)Response

a.

11

b.

10

c.

12

d.

13

Edit

Question 51

Question MCQ▾

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

Edit

Question 52

Question MCQ▾

Solve the quadratic equation

Choices

Choice (4)Response

a.

b.

c.

d.

Edit