# Basic Mathematics (KVPY Stream-SA (Class 11) Math): Questions 142 - 144 of 164

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## 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

## Question number: 144

» Basic Mathematics » Geometry » Circle and Properties

MCQ▾

### Question

In the figure given below, PQRSTU is a regular hexagon of side length , and are squares. Then the ratio equals

(Model paper)

### Choices

Choice (4) Response

a.

b.

2

c.

d.

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