# Mathematics-Statistics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 7 of 12

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## Question number: 1

» Mathematics » Statistics

MCQ▾

### Question

Median of a data set is a number which has an equal number of observations below and above it. The median of the data 1, 9, 4, 3, 7, 6, 8, 8, 12, 15 is

### Choices

Choice (4) Response

a.

7.5

b.

8

c.

7

d.

any number between 7 and 8

## Question number: 2

» Mathematics » Statistics

MCQ▾

### Question

The mode, median, mean and range of the following observations are

45, 84, 21, 77, 56, 84, 39, 54, 56, 39, 54, 56

### Choices

Choice (4) Response

a.

56, 58, 60 and 58

b.

56, 55, 55.42, 63

c.

65, 55, 36 and 52

d.

Question does not provide sufficient data or is vague

## Question number: 3

» Mathematics » Statistics

MCQ▾

### Question

A card is drawn at random from a pack of 52 playing cards. The probability that drawn card being a red king is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 4

» Mathematics » Statistics

MCQ▾

### Question

The median of the following data is

2, 4, 6, 8, 10, 12, 14

### Choices

Choice (4) Response

a.

8

b.

9.5

c.

10

d.

6

## Question number: 5

» Mathematics » Statistics

MCQ▾

### Question

Ravi and Kavi starts a business by investing Rs. 8000 and Rs. 72000, respectively. The ratio of their profits at the end of year, is

### Choices

Choice (4) Response

a.

2: 9

b.

7: 9

c.

1: 9

d.

5: 9

## Question number: 6

» Mathematics » Statistics

MCQ▾

### Question

A person buys a book for Rs. 500 and sells it for Rs. 300. His loss percent is

### Choices

Choice (4) Response

a.

45%

b.

40%

c.

35%

d.

30%

## Question number: 7

» Mathematics » Statistics

MCQ▾

### Question

A lady reaches her office 20 min late by travelling at a speed of 20 km/h and reaches 15 min early by travelling at 30 km/h. By how much time will she be early or late, if she travels at 25 km/h?

### Choices

Choice (4) Response

a.

5 min late

b.

1 min late

c.

1 min early

d.

5 min early

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