# Basic Mathematics-Arithmetic (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 56 - 62 of 83

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## Question number: 56

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

### Question

I carried 500 kg of watermelon in summer by train. In the beginning, the water content was 95%. By the time I reached the destination, the water content had dropped to 92%. The reduction in the weight of the watermelon was-

### Choices

Choice (4) Response

a.

312.5

b.

150.5

c.

163

d.

187.5

## Question number: 57

» Basic Mathematics » Arithmetic » Simplifying Expressions

MCQ▾

### Question

If x is real, the value of will not be less than,

### Choices

Choice (4) Response

a.

5

b.

8

c.

7

d.

6

## Question number: 58

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

MCQ▾

### Question

12 women can complete a work in 5 days and 12 children take 10 days to complete a work. How many days will 3 women and 6 children take to complete the work?

### Choices

Choice (4) Response

a.

12

b.

8

c.

9

d.

10

## Question number: 59

» Basic Mathematics » Arithmetic » Simplifying Expressions

MCQ▾

### Question

If α is the root of then other root β is –

### Choices

Choice (4) Response

a.

b.

c.

d.

All a. , b. and c. are correct

## Question number: 60

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

### Question

If, than value of x is –

### Choices

Choice (4) Response

a.

2

b.

3

c.

d.

## Question number: 61

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

### Question

The least positive integer n from which is –

### Choices

Choice (4) Response

a.

15

b.

16

c.

17

d.

18

## Question number: 62

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

MCQ▾

### Question

A ladder 8 cm long is leading against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 3 cm away from the wall?

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page