IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 701 - 707 of 929

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Question number: 701

» Statistics and Probability

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MCQ▾

Question

The mean of 20 items is 17 and if each item is increased by 3, then its mean will be ________

Choices

Choice (4) Response

a.

20

b.

70

c.

50

d.

60

Question number: 702

» Analytical Reasoning and Logical Reasoning

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MCQ▾

Question

If in each of the following groups of numbers, last two digits are interchanged and after that they are arranged in descending order, then what will be the first digit of the middle group?

487,984,124,564,784,325 and 956

Choices

Choice (4) Response

a.

4

b.

5

c.

9

d.

7

Question number: 703

» Polynomials

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MCQ▾

Question

Find the value of a if is a factor of the polynomial

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 704

» Introduction to Euclid's Geometry

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MCQ▾

Question

Train left 30 minutes later than the scheduled time and inorder to reach the destination, 1500 km away in time. It has to increase the speed by 250km/h from the usual seed. Find the usual speed?

Choices

Choice (4) Response

a.

950

b.

750

c.

850

d.

650

Question number: 705

» Statistics and Probability

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MCQ▾

Question

The difference between the maximum and the minimum observation in the data is called ________

Choices

Choice (4) Response

a.

Cumulative frequency

b.

Frequency

c.

Range

d.

Class interval

Question number: 706

» Statistics and Probability

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MCQ▾

Question

A card is drawn from a well-shuffled pack of 52 cards. The probability that the card drawn neither a club nor a spade is ________

Choices

Choice (4) Response

a.

b.

3

c.

d.

2

Question number: 707

» Polynomials

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MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

d.