IMO- Mathematics Olympiad (SOF) Class 9: Questions 650 - 657 of 919

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Question number: 650

» Polynomials

MCQ▾

Question

If then =

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

1

Question number: 651

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

If , and, then

Choices

Choice (4) Response

a.

60

b.

85

c.

144

d.

120

Question number: 652

» Linear Equations in Two Variables

MCQ▾

Question

The number of ways of writing the number in the form (a, b are integers)

Choices

Choice (4) Response

a.

Finitely many

b.

0

c.

Infinitely many

d.

1

Question number: 653

» Everyday Mathematics

MCQ▾

Question

A class starts at 10 a. m. and lasts till 1.27 p. m. four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is ________

Choices

Choice (4) Response

a.

51 minutes

b.

53 minutes

c.

48 minutes

d.

42 minutes

Question number: 654

» Polynomials

MCQ▾

Question

The product of all the solutions of , is ________.

Choices

Choice (4) Response

a.

b.

c.

4

d.

16

Question number: 655

» Polynomials

MCQ▾

Question

The number of positive integers k for which the equation has an integer solution for x is ________

Choices

Choice (4) Response

a.

2

b.

3

c.

5

d.

8

Question number: 656

» Statistics and Probability

MCQ▾

Question

The median of the observation 30,91,0, 64,42,80,30,5, 117,71 is ________

Choices

Choice (4) Response

a.

53

b.

51

c.

52

d.

52.5

Question number: 657

» Introduction to Euclid's Geometry

MCQ▾

Question

In the figure y = 30˚, then ∠DOE is________ (Assume X = Y)

Find the value of angle DOE

Find the Value of Angle DOE

Define the different angles and find the ∠DOE.

Choices

Choice (4) Response

a.

150˚

b.

30˚

c.

90˚

d.

60˚

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