NCO- Cyber Olympiad (SOF) Class 8: Questions 133 - 135 of 510

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Question number: 133

» Mental Ability » Number Games » Number Analogies

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MCQ▾

Question

What least number must be subtracted from 3970 to get a perfect square? Also, find the square root of the perfect square.

Choices

Choice (4)Response

a.

1,76

b.

8,68

c.

1,63

d.

3,54

Question number: 134

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

A student requires 15 days to finish a project of 45 pages. How many days he will require to finish a project of 21 pages?

Choices

Choice (4)Response

a.

14

b.

30

c.

21

d.

7

Question number: 135

» Mental Ability » Basic Geometry

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MCQ▾

Question

Two chords AB and CD of a circle cut each other when produced outside the circle at P. If AD and BC are joined, and , find .

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through E and FArc eArc e: Semicircle through G and HArc pArc p: Semicircle through I and JSegment fSegment f: Segment [C, B] Segment gSegment g: Segment [A, D] Segment hSegment h: Segment [D, P] Segment iSegment i: Segment [P, B] Segment jSegment j: Segment [C, D] Segment kSegment k: Segment [A, B] Point BB = (6.62,1.54) Point BB = (6.62,1.54) Point BB = (6.62,1.54) Point CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint PP = (10.36,2.7) Point PP = (10.36,2.7) Point PP = (10.36,2.7) 30â°text1 = “30â°â€40â°text1_1 = “40â°â€

Image of a Circle Having Two Chords AB and CD

Representing the image of a circle having two chords AB and CD

Choices

Choice (4)Response

a.

b.

c.

d.

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