# NCO- Cyber Olympiad (SOF) Class 8: Questions 126 - 132 of 510

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## Question number: 126

Edit
MCQ▾

### Question

Which number will continue the following series: 3,9, 15,21, ?

### Choices

Choice (4)Response

a.

18

b.

27

c.

30

d.

33

## Question number: 127

Edit
MCQ▾

### Choices

Choice (4)Response

a.

64

b.

c.

d.

72

## Question number: 128

Edit
MCQ▾

### Question

The denominator of a rational number is greater than its numerator by 4. If 4 is subtracted from the numerator and 1 is added to its denominator, the new number becomes . Find the original number.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 129

Edit
MCQ▾

=?

### Choices

Choice (4)Response

a.

b.

c.

d.

6

## Question number: 130

Edit
MCQ▾

### Question

Which number should come in place of question mark?

### Choices

Choice (4)Response

a.

337

b.

674

c.

270

d.

540

## Question number: 131

Edit
MCQ▾

### Question

A woman goes to school at the rate of 7 kmph. After that she goes to library at the rate of 11 kmph. Then she comes back on a vehicle at 21 kmph. Her average speed for the entire journey is:

### Choices

Choice (4)Response

a.

7.8 kmph

b.

10.7 kmph

c.

13 kmph

d.

6 kmph

## Question number: 132

Edit
Match List-Ⅰ List-Ⅱ▾

### Question

Match the following.

List-Ⅰ (Group I)List-Ⅱ (Group II)

(A)

Trapezium

(i)

A parallelogram having all sides equal

(B)

Rectangle

(ii)

A quadrilateral having its all sides equal and one angle measuring

(C)

Parallelogram

(iii)

A quadrilateral having its opposite sides parallel,

(D)

Rhombus

(iv)

A quadrilateral in which a pair of opposite sides is parallel

(E)

Square

(v)

A quadrilateral having its opposite sides equal and one angle measuring

### Choices

Choice (4)Response
• (A)
• (B)
• (C)
• (D)
• (E)

a.

• (iii)
• (i)
• (v)
• (iv)
• (ii)

b.

• (ii)
• (i)
• (iii)
• (v)
• (iv)

c.

• (v)
• (iv)
• (iii)
• (ii)
• (i)

d.

• (iv)
• (v)
• (iii)
• (i)
• (ii)

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