# KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math: Questions 6 - 10 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: 6

Appeared in Year: 2011

MCQ▾

### Question

In the adjoining figure AB = 12 cm, CD = 8 cm, BD = 20 cm; ∠ ABD = ∠ AEC = ∠ EDC = 90 0. If BE = x, then,

### Choices

Choice (4) Response

a.

x has only one value and

b.

x has two possible values whose difference is 4

c.

x has two possible values whose sum is 28

d.

x cannot be determined with the given information

## Question number: 7

Appeared in Year: 2011

MCQ▾

### Question

Below are four equations in x. Assume that 0 < r < 4. Which of the following has the largest solution for x?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 8

MCQ▾

### Question

Let a, b, x, y be real numbers such that , and . Then the set of all possible values of is –

### Choices

Choice (4) Response

a.

b.

c.

{0}

d.

## Question number: 9

Appeared in Year: 2011

MCQ▾

### Question

Let ABC be a triangle with ∠ B = 90 0. Let AD be the bisector of ∠ A with D on BC. Suppose AC = 6 cm and the area of the triangle ADC is 10 cm 2. Then the length of BD in cm is equal to

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 10

» Basic Mathematics » Arithmetic » Rates

Appeared in Year: 2011

MCQ▾

### Question

Three taps A, B, C fill up a tank independently in 10 hr, 20 hr, 30 hr respectively. Initially the tank is empty and exactly one pair of taps is open during each hour and every pair of taps is open at least for one hour. What is the minimum number of hours required to fill the tank?

### Choices

Choice (4) Response

a.

9

b.

11

c.

8

d.

10

f Page