IMO- Mathematics Olympiad Class 9: Questions 883 - 888 of 919

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Question number: 883

» Polynomials

MCQ▾

Question

81y218y+164x2 =

Choices

Choice (4) Response

a.

(9x+9y1)(9x+9y+1)

b.

(9y1+8x)(9y18y)

c.

(9y1+8x)(9y18x)

d.

(9y+1+8x)(8y+1+9x)

Question number: 884

» Polynomials

MCQ▾

Question

If p+q+r=10 and pq+qr+rp=40 find the value of p2+q2+r2 ________

Choices

Choice (4) Response

a.

20

b.

80

c.

40

d.

60

Question number: 885

» Everyday Mathematics

MCQ▾

Question

A fan is listed at Rs. 150, with a discount of 20% what additional discount must be offered to the customer to bring the net price to Rs. 108?

Choices

Choice (4) Response

a.

10%

b.

8%

c.

15%

d.

Question does not provide sufficient data or is vague

Question number: 886

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

If PAPER = 56 and UNCLE = 55, then WORKBOOK=?

Choices

Choice (4) Response

a.

115

b.

105

c.

100

d.

110

Question number: 887

» Polynomials

MCQ▾

Question

125s3+t3+u3+15stu

Choices

Choice (4) Response

a.

(5stu)(5s2+t2+u25sttu5us)

b.

(5s+t+u)(5s2+t2+u23sttu5us)

c.

(5s+t+u)(25s2+t2+u25sttu5us)

d.

(5stu)(25s2+t2+u23sttu5us)

Question number: 888

» Everyday Mathematics

MCQ▾

Question

Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire rental of the car, then the share of each of the remaining persons is increased by ________ of the original share.

Choices

Choice (4) Response

a.

18

b.

19

c.

78

d.

17

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