# KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math: Questions 255 - 259 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: 255

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

Appeared in Year: 2016

MCQ▾

### Question

There are two candles of same length and same size. Both of them burn at uniform rate. The first one burns in and the second one burns in . Both the candles are lit together. After how many minutes the length of first candle is times that of the other?

### Choices

Choice (4) Response

a.

150

b.

90

c.

135

d.

120

## Question number: 256

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2016

MCQ▾

### Question

Consider the equation , where are real numbers. Then,

### Choices

Choice (4) Response

a.

There are infinitely many solution pairs

b.

There is no solution pair

c.

There are exactly two solution pairs

d.

There is exactly one solution pair

## Question number: 257

» Basic Mathematics » Geometry » Quadrilateral and Properties

Appeared in Year: 2016

MCQ▾

### Question

Let be a trapezium, in which is parallel to , and . The distance between and is

### Choices

Choice (4) Response

a.

2

b.

2.4

c.

2.8

d.

Not determinable with the data

## Question number: 258

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2016

MCQ▾

### Question

Let be real number such that for some positive integers and . Then for any choice of positive integers and , is never equal to –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 259

Appeared in Year: 2016

MCQ▾

### Question

Let be non – empty subsets of satisfying the following conditions:

(i) the numbers are distinct;

(ii) are pairwise disjoint.

(Here denotes the number of elements in the set . )

Then the maximum possible value of is –

### Choices

Choice (4) Response

a.

13

b.

16

c.

15

d.

14

f Page