IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 743 - 748 of 1022

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Question 743

Question

MCQ▾

The radius of the given circle is 14 cm, then the area of the shaded portion is ________.

A Circle Made by 14 Cm Radius

Choices

Choice (4)Response

a.

b.

c.

d.

Question 744

Question

MCQ▾

Rose wrote a sequence using the following steps:

She chose (-6) as the first term.

Each term after the first was 5 more than the immediately preceding term.

What are the first five terms in Rose՚s sequence?

Choices

Choice (4)Response

a.

-6, -1,4, 9,14

b.

-6, -11, -15, -20, -25

c.

-6, -1,3, 8,13

d.

-6, -11, -16, -21, -26

Question 745

Question

MCQ▾

A kitchen has the measure of each side 15 m, then the cost of carpeting the kitchen at the rate of ₹ 3.20 per sq. meter is ________.

Choices

Choice (4)Response

a.

₹ 720.00

b.

₹ 560.00

c.

₹ 980.00

d.

₹ 780.00

Question 746

Question

MCQ▾

The degree of is ________.

Choices

Choice (4)Response

a.

6

b.

9

c.

3

d.

5

Question 747

Question

MCQ▾

Mean of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18, then the correct mean of the observations is ________.

Choices

Choice (4)Response

a.

41

b.

43

c.

42

d.

40

Question 748

Question

MCQ▾

The difference between the length and breadth of a rectangle is 15 m. If the perimeter is 150 m, then the area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.