NSO Level 1- Science Olympiad (SOF) Class 8: Questions 69 - 72 of 1076

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Question number: 69

» Mental Ability

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MCQ▾

Question

In a factory men, women and children were employed in the ratio to finish a job and their individual wages were in the ratio . Total daily wages of all amounts to Rs. 244. Find the total daily wages paid to each category.

Choices

Choice (4) Response

a.

Rs. 145,60,13

b.

Rs. 145,56,21

c.

Rs. 100,54,35

d.

Rs. 96,140,8

Question number: 70

» Mental Ability

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Question

A vendor bought chocolates at 8 for a rupee. How many for a rupee must be sell to gain ?

Choices

Choice (4) Response

a.

30

b.

15

c.

45

d.

20

Question number: 71

» Mental Ability

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Question

Sum of the exterior angles of a convex polygon is ________

Choices

Choice (4) Response

a.

b.

c.

d.

3 right angles

Question number: 72

» Mental Ability

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MCQ▾

Question

In the diagram below, ABC is an Equilateral triangle. Find the length of BC.

Polygon poly1 Polygon poly1: Polygon [A, B, 3] Segment f Segment f: Segment [A, B] of Polygon poly1 Segment g Segment g: Segment [B, C] of Polygon poly1 Segment h Segment h: Segment [C, A] of Polygon poly1 A text1 = “A” B text2 = “B” C text3 = “C” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (6x-5) cm text4 = “ (6x-5) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm” (4x 9) cm text5 = “ (4x 9) cm”

ABC is an Equilateral Triangle

Find the length of BC

Choices

Choice (4) Response

a.

28 cm

b.

12 cm

c.

37 cm

d.

7 cm

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