# KVPY Stream-SA (Class 11) Math: Questions 94 - 98 of 265

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 265 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

## Question number: 94

» Basic Mathematics » Arithmetic » Rates

MCQ▾

### Question

I carried 100 kg of metal bucket of water in summer by train. In the beginning, the water content was 80%. By the time I reached the destination, the water content had dropped to 75%. The reduction in the weight of the bucket with water was

### Choices

Choice (4) Response

a.

15 kg

b.

20 kg

c.

25 kg

d.

30 kg

## Question number: 95

Appeared in Year: 2014

MCQ▾

### Question

Let R be the set of all real numbers and let f be a function from R to R such that

for all x ∈ R. Then is equal to

### Choices

Choice (4) Response

a.

2

b.

-4

c.

-2

d.

0

## Question number: 96

» Basic Mathematics » Arithmetic » Rates

Appeared in Year: 2012

MCQ▾

### Question

A train leaves Pune at 7: 30 am and reaches Mumbai at 11: 30 am. Another train leaves Mumbai at 9: 30 am and reaches Pune at 1: 00 pm. Assuming that the two trains travel at constant speeds, at what time do the two trains cross each other?

### Choices

Choice (4) Response

a.

11: 30 am

b.

10: 26 am

c.

data not sufficient

d.

10: 20 am

## Question number: 97

Appeared in Year: 2012

MCQ▾

### Question

The square-root of is

### Choices

Choice (4) Response

a.

3

b.

4

c.

2

d.

1

## Question number: 98

» Basic Mathematics » Arithmetic » Ratio and Proportion

Appeared in Year: 2014

MCQ▾

### Question

In a cinema hall, the charge per person is Rs. 200. On the first day, only 60 % of the seats were filled. The owner decided to reduce the price by 20 % and there was an increase of 50 % in the number of spectators on the next day. The percentage increase in the revenue on the second day was

### Choices

Choice (4) Response

a.

20

b.

50

c.

30

d.

40

f Page