NCO- Cyber Olympiad (SOF) Class 8: Questions 47 - 51 of 510

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Question number: 47

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

A certain sum of simple interest becomes its three times in 30 years. In how many years will it becomes double?

Choices

Choice (4) Response

a.

20 years

b.

5 years

c.

60 years

d.

15 years

Question number: 48

» Mental Ability » Basic Arithmetic

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Question

If 16 employees can complete 32 tasks in 8 days, how many tasks can 8 employees complete in 4 days?

Choices

Choice (4) Response

a.

16

b.

8

c.

12

d.

14

Question number: 49

» Mental Ability » Number Games » Number Analogies

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Question

What least number must be subtracted from 136 to make it a perfect square?

Choices

Choice (4) Response

a.

15

b.

8

c.

21

d.

7

Question number: 50

» Mental Ability » Basic Geometry

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Question

If the radius of a cone is increased by 80%, its volume is increased by

Choices

Choice (4) Response

a.

160%

b.

40%

c.

224%

d.

112%

Question number: 51

» Logical and Analytical Reasoning » Analogy and Classification

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Question

Study the diagram given carefully and answer the question.

Triangle poly1 Triangle poly1: Polygon C, D, E Quadrilateral poly2 Quadrilateral poly2: Polygon F, G, H, I Triangle poly3 Triangle poly3: Polygon J, K, L Quadrilateral poly4 Quadrilateral poly4: Polygon M, N, O, P Circle c Circle c: Circle through B with center A Circle q Circle q: Circle through R with center Q Segment e Segment e: Segment [C, D] of Triangle poly1 Segment c_1 Segment c_1: Segment [D, E] of Triangle poly1 Segment d Segment d: Segment [E, C] of Triangle poly1 Segment f Segment f: Segment [F, G] of Quadrilateral poly2 Segment g Segment g: Segment [G, H] of Quadrilateral poly2 Segment h Segment h: Segment [H, I] of Quadrilateral poly2 Segment i Segment i: Segment [I, F] of Quadrilateral poly2 Segment l Segment l: Segment [J, K] of Triangle poly3 Segment j Segment j: Segment [K, L] of Triangle poly3 Segment k Segment k: Segment [L, J] of Triangle poly3 Segment m Segment m: Segment [M, N] of Quadrilateral poly4 Segment n Segment n: Segment [N, O] of Quadrilateral poly4 Segment o Segment o: Segment [O, P] of Quadrilateral poly4 Segment p Segment p: Segment [P, M] of Quadrilateral poly4 7 text1 = “7” 5 text1_1 = “5” 1 text1_2 = “1” 6 text1_3 = “6” 4 text1_4 = “4” 2 text1_5 = “2” 3 text1_6 = “3” Engineer in town text1_7 = “Engineer in town” Employed engineers text1_8 = “Employed engineers” Engineers out of town text1_9 = “Engineers out of town”

Image of Three Geometrical Shapes with Some Parts in Each Other

Representing the image of three geometrical shapes with some parts in each other

Employed engineers in town are represented by?

Choices

Choice (4) Response

a.

6

b.

7

c.

5

d.

4