# Basic Mathematics-Arithmetic (KVPY Stream-SA (Class 11) Math): Questions 5 - 8 of 83

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## Question number: 5

» Basic Mathematics » Arithmetic » Clocks

Appeared in Year: 2011

MCQ▾

### Question

A certain 12-hour digital clock displays the hour and the minute of a day. Due to a defect in the clock whenever the digit 1 is supposed to be displayed it displays 7. What fraction of the day will the clock show the correct time?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 6

» Basic Mathematics » Arithmetic » Ratio and Proportion

Appeared in Year: 2014

MCQ▾

### Question

The population of cattle in a farm increases so that the difference between the population in year n + 2 and that in year n is proportional to the population in year n + 1. If the populations in years 2010, 2011 and 2013 were 39, 60 and 123, respectively, then the population in 2012 was

### Choices

Choice (4) Response

a.

90

b.

84

c.

81

d.

87

## Question number: 7

» Basic Mathematics » Arithmetic » Rates

Appeared in Year: 2012

MCQ▾

### Question

Two workers A and B are engaged to do a piece of work. Working alone, A takes 8 hours more to complete the work than if both worked together. On the other hand, working alone, B would need hours more to complete the work than if both worked together. How much time would they take to complete the job working together?

### Choices

Choice (4) Response

a.

6 Hours

b.

4 Hours

c.

7 Hours

d.

5 Hours

## Question number: 8

» Basic Mathematics » Arithmetic » Rates

Appeared in Year: 2012

MCQ▾

### Question

When a bucket is half full, the weight of the bucket and the water is 10 kg. When the bucket is two - thirds full, the total weight is 11kg. What is the total weight, in kg, when the bucket is completely full.

### Choices

Choice (4) Response

a.

b.

13

c.

12

d.

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