IMO- Mathematics Olympiad Class 9: Questions 677 - 682 of 919

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Question number: 677

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

How many 3’s is there which are immediately preceded by an even number as well as immediately followed by an odd number?

6 3 4 8 3 3 7 2 3 5 3 3 3 4 3 9

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

1

Question number: 678

» Statistics and Probability

MCQ▾

Question

A die is thrown once. The probability of getting a number greater than 3 is ________

Choices

Choice (4) Response

a.

23

b.

12

c.

0

d.

13

Question number: 679

» Linear Equations in Two Variables

MCQ▾

Question

The number of values of k for which the system of equations x+y=8 , kx+y=15, x+ky=21 has the solutions is________

Choices

Choice (4) Response

a.

k=12 and k=2

b.

k=72 and k=1

c.

k=32 and k=2

d.

k=52 and k=1

Question number: 680

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

In a certain code language-

(1) ‘put tir fin’ means ‘fabulous Juicy Vegetable’.

(2) ‘tie dip sig’ means ‘superb white beans’.

(3) ‘sig lon fin’ means ‘beans and vegetable’.

Which word in that language means ‘and’?

Choices

Choice (4) Response

a.

sig

b.

dip

c.

put

d.

lon

Question number: 681

» Polynomials

MCQ▾

Question

If 2x3+ax2+bx6 has (x1) as a factor and leaves a remainder 2 when divided by (x2) , find the values of ‘a’ and ‘b’.

Choices

Choice (4) Response

a.

a=8,b=12

b.

a=4,b=10

c.

a=4,b=10

d.

a=8,b=12

Question number: 682

» Polynomials

MCQ▾

Question

45a280=

Choices

Choice (4) Response

a.

5(3a+4)(3a4)

b.

3(2a+3)(2a3)

c.

5(3a3)(3a+3)

d.

3(3+3a)(33a)

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