IMO- Mathematics Olympiad Class 10: Questions 171 - 177 of 908

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Question number: 171

» Pair of Linear Equations in Two Variables

MCQ▾

Question

In a PQR,R=5Q=2(P+Q) the three angles will be ________

Choices

Choice (4) Response

a.

45°,22.5°,112.5°

b.

30°,55.5°,94.5°

c.

110°,40°,50°

d.

30°,40°,110°

Question number: 172

» Polynomials

MCQ▾

Question

Degree of polynomial 5x2y+2x2y3 is ________

Choices

Choice (4) Response

a.

5

b.

2

c.

3

d.

4

Question number: 173

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The sum of two numbers is 10 and the sum of their squares is 50. The numbers are ________

Choices

Choice (4) Response

a.

12 and 7

b.

8 and 6

c.

5 and 5

d.

2 and 8

Question number: 174

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The sum of a two digit number and the number obtained by interchanging the digits of the number is 132. If the digits of the number differ by 2, then numbers are ________

Choices

Choice (4) Response

a.

29, 92

b.

75, 57

c.

13, 31

d.

23, 32

Question number: 175

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The value of k for which the system of equations kx+y=5,6x+3y=8 has a unique solution, is ________

Choices

Choice (4) Response

a.

2

b.

= 2

c.

1

d.

= 1

Question number: 176

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The sum of two numbers is 20 and the sum of their squares is 40. The numbers are ________

Choices

Choice (4) Response

a.

12 and 17

b.

14 and 25

c.

13 and 16

d.

12 and 15

Question number: 177

» Polynomials

MCQ▾

Question

If one of the zero of the quadratic polynomial (k1)x2+kx+1 is 4 then value of k is ________

Choices

Choice (4) Response

a.

54

b.

94

c.

34

d.

74

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