# Basic Mathematics-Arithmetic (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 9 - 12 of 83

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## Question number: 9

» Basic Mathematics » Arithmetic » Rates

Appeared in Year: 2010

MCQ▾

### Question

I carried 1000 kg of watermelon in summer by train. In the beginning, the water content was 99%. By the time I reached the destination, the water content had dropped to 98%. The reduction in the weight of the watermelon was

### Choices

Choice (4) Response

a.

500 kg

b.

50 kg

c.

10 kg

d.

100 kg

## Question number: 10

» Basic Mathematics » Arithmetic » Ratio and Proportion

Appeared in Year: 2013

MCQ▾

### Question

A person X is running around a circular track completing one round every 40 seconds. Another person Y running in the opposite direction meets X every 15 second. The time, expressed in seconds, taken by Y to complete one round is

### Choices

Choice (4) Response

a.

55

b.

12.5

c.

25

d.

24

## Question number: 11

» Basic Mathematics » Arithmetic » Number Games

Appeared in Year: 2014

MCQ▾

### Question

Suppose a2, a3, a4, a5, a6, a7 are integers such that

Where for j = 2,4, 5,6, 7. The sum is,

### Choices

Choice (4) Response

a.

9

b.

10

c.

8

d.

11

## Question number: 12

» Basic Mathematics » Arithmetic » Number Games

Appeared in Year: 2010