# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 6): Questions 208 - 212 of 268

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## Question number: 208

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following shows the prime factorization of 84?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 209

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Mahi’s heart rate is 72 beats per minute. Then her heart rate is about how many beats in a hour?

### Choices

Choice (4) Response

a.

4320 bph

b.

2350 bph

c.

2160 bph

d.

4860 bph

## Question number: 210

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Shusanth was trying to add . He followed the steps shown in below table. Where did he make a mistake?

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

### Choices

Choice (4) Response

a.

Step 1

b.

Step 4

c.

Step 2

d.

Step 3

## Question number: 211

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Anil painted of a wall the first day and of the wall the second day. How much of the wall is remained to paint?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 212

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Harsh was trying to multiply . He followed the steps shown in below table. Where did he make a mistake?

 Equation Step 1 Equation Step 2 Equation Step 3 Equation

### Choices

Choice (4) Response

a.

Step 1

b.

Step 2

c.

Step 3

d.

Step 4

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