# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 5): Questions 83 - 86 of 147

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## Question number: 83

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

What is the difference in marks in maths subject in first class and fourth class?

### Choices

Choice (4) Response

a.

10

b.

0

c.

20

d.

50

## Question number: 84

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The diagram shows the duck pond at the park. Estimate the area that is covered by the pond. Area of each square of the grid is equal to 100 square feet.

### Choices

Choice (4) Response

a.

1000 square feet

b.

1550 square feet

c.

2000 square feet

d.

2200 square feet

## Question number: 85

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which two fractions are equivalent?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 86

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In ancient Greece, people used letters of their alphabet as numbers. A mark after a letter shown is being used as a number.

 Letter Name Number Alpha 1 Beta 2 Gamma 3 Delta 4 Epsilon 5 sigma 6 vartheta 7 Theta 8 MU 9

According to this table, which of the following statements is true?

### Choices

Choice (4) Response

a.

b.

5

c.

d.

7

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