# Mental Ability (NCO- Cyber Olympiad Class 6): Questions 289 - 295 of 394

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## Question number: 289

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If k = 8 and l = 16, then

### Choices

Choice (4) Response

a.

b.

c.

36

d.

18

## Question number: 290

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The greatest common factor of 8, 12 and 20 is

### Choices

Choice (4) Response

a.

4

b.

6

c.

8

d.

16

## Question number: 291

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following is the prime factorization of 50?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 292

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

shows the prime factorization of which number?

### Choices

Choice (4) Response

a.

115

b.

132

c.

312

d.

231

## Question number: 293

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Aarti was trying to subtract . She followed the steps shown in below table. Where did she make a mistake?

 Equation Step 1 Equation Step 2 Equation Step 3 Equation Step 4 Equation

### Choices

Choice (4) Response

a.

Step 2

b.

Step 3

c.

Step 4

d.

Step 1

## Question number: 294

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If c = 11 and d = 9, then

### Choices

Choice (4) Response

a.

3

b.

5

c.

9

d.

- 3

## Question number: 295

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A shopkeeper sold about 22 kg of sugar in a day. About how much sugar he sold in 72 hours?

### Choices

Choice (4) Response

a.

66 kg

b.

108 kg

c.

30 kg

d.

44 kg

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