# Basic Mathematics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 138 - 143 of 164

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## Question number: 138

» Basic Mathematics » Geometry » Polygons With More Than 4 Sides

MCQ▾

### Question

12 sphere of same size are made from melting a solid cylinder of 16 cm diameter and 2 cm height. The diameter of each sphere is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 139

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

MCQ▾

### Question

15 men can complete a work in 6 days and 15 children take 12 days to complete a work. How many days will 5 men and 10 children take to complete the work?

### Choices

Choice (4) Response

a.

12

b.

9

c.

8

d.

10

## Question number: 140

» Basic Mathematics » Algebra » Solutions to Equations

MCQ▾

### Question

Roots of equation: are –

### Choices

Choice (4) Response

a.

-7, -6

b.

-5,3

c.

-7, -4

d.

7,6

## Question number: 141

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

### Question

When a bucket is one-thirds full, the weight of the bucket and the water is 15 kg. When the bucket is two-thirds full, the total weight is 18 kg. What is the total weight, in kg, when the bucket is completely full?

### Choices

Choice (4) Response

a.

15 kg

b.

17 kg

c.

19 kg

d.

21 kg

## Question number: 142

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

Appeared in Year: 2013

MCQ▾

### Question

A person is running around a circular track completing one round every 50 seconds. Another person running in the opposite direction meets every 20 second. The time, expressed in seconds, taken by to complete one round is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 143

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

### Question

Let be three non – negative integers such that . The maximum possible value of is – (Model Paper)

### Choices

Choice (4) Response

a.

39

b.

40

c.

29

d.

16

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