# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 5): Questions 84 - 87 of 147

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## 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 Equation Alpha 1 Equation Beta 2 Equation Gamma 3 Equation Delta 4 Equation Epsilon 5 Equation sigma 6 Equation vartheta 7 Equation Theta 8 Equation MU 9

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

### Choices

Choice (4) Response

a.

b.

5

c.

d.

7

## Question number: 87

» Mental Ability » Basic Arithmetic

MCQ▾

= ________.

### Choices

Choice (4) Response

a.

130

b.

1310

c.

131

d.

131.0

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