# Mental Ability (NCO- Cyber Olympiad (SOF) Class 7): Questions 156 - 162 of 205

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## Question number: 156

» Mental Ability » Basic Geometry

MCQ▾

### Question

STU is an isosceles triangle with ST = SU and and SV is an altitude of a triangle STU, then

### Choices

Choice (4) Response

a.

b.

25°

c.

55°

d.

## Question number: 157

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The average age of 15 children in a class is 7 years. If the teacher’s age is included, the average age becomes 10 years. Find the teacher’s age.

### Choices

Choice (4) Response

a.

55

b.

42

c.

35

d.

45

## Question number: 158

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

. If = 0.008, then will be ________

### Choices

Choice (4) Response

a.

0.125

b.

1

c.

0.0625

d.

0.20

## Question number: 159

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A shopkeeper declares a sale of electronics item, giving 15 % discount. If the net sale price of an electronic item is rupees 5000, what is its market price?

### Choices

Choice (4) Response

a.

550 Rs.

b.

952 Rs.

c.

5882.35 Rs.

d.

500 Rs.

## Question number: 160

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.

### Choices

Choice (4) Response

a.

3x

b.

x

c.

d.

2x

## Question number: 161

» Mental Ability » Basic Arithmetic

MCQ▾

The value of is

### Choices

Choice (4) Response

a.

1.466

b.

2.30

c.

1.00

d.

4.55

## Question number: 162

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In an election, two candidates contested. A candidate secured 40 % of the valid votes and is elected by a majority of 200 votes. Find the total number of valid votes.

### Choices

Choice (4) Response

a.

700

b.

1000

c.

880

d.

450

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