Factorisation (IMO- Mathematics Olympiad Class 8): Questions 60 - 63 of 63

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Question number: 60

» Factorisation

MCQ▾

Question

One factor of x2+x3+6 is ________.

Choices

Choice (4) Response
a.

3+x

b.

23x

c.

23+x

d. All of the above

Question number: 61

» Factorisation

MCQ▾

Question

In a survey of 200 ladies, it was found that 85 like coffee while 115 dislike it. From these ladies, one is chosen at random. The probability that the chosen lady dislike coffee is________.

Choices

Choice (4) Response
a.

1340

b.

23200

c.

2350

d.

2340

Question number: 62

» Factorisation

MCQ▾

Question

A bag has 3 red balls and 2 yellow balls. (The balls are identical in all respect other than color). A ball is drawn from the bag without looking into the bag. The probability of getting a red ball is________.

Choices

Choice (4) Response
a.

15

b.

25

c.

35

d.

45

Question number: 63

» Factorisation

MCQ▾

Question

A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn random from the bag. The probability that all of them are red is,

Choices

Choice (4) Response
a.

291

b.

191

c.

591

d.

9091

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