# Mental Ability (NCO- Cyber Olympiad (SOF) Class 9): Questions 132 - 135 of 219

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## Question number: 132

» Mental Ability » Basic Algebra

MCQ▾

### Question

Arpna cut a cake in two equal parts and one of these two pieces is again cut into equal parts. Each small part is of 20 grams. If there are seven parts of the whole cake, what was the weight of the original cake?

### Choices

Choice (4) Response

a.

280 grams

b.

240 grams

c.

120 grams

d.

140 grams

## Question number: 133

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Ifis factor of , find the value of a.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 134

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The bacteria in a culture grows by 7 % in the first hour, decreases by 6 % in the second hour and again increases by 5 % in the third hour. If at the end of the third hour the count of bacteria is 11270000. The original count of bacteria in the sample is________

### Choices

Choice (4) Response

a.

b.

c.

11270000

d.

None of the above

## Question number: 135

» Mental Ability » Basic Statistics

MCQ▾

### Question

This question is based on the adjoining figure in which

1. Rectangle represents Males,

2. Circle represents the urban,

3. Square represents the educated and

4. Triangle represents the civil servants.

The number indicating the educated civil servants who are males but not urbans is

### Choices

Choice (4) Response

a.

7

b.

10

c.

8

d.

9

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