# Basic Mathematics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 5 - 9 of 164

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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 » Geometry » Triangle and Properties

Appeared in Year: 2009

MCQ▾

### Question

In a right triangle ABC, the incircle touches the hypotenuse AC at D. If AD = 10 and DC = 3 and the sides AB, BC and AC are integer, the inradius of ABC is

### Choices

Choice (4) Response

a.

4

b.

5

c.

2

d.

3

## Question number: 7

» Basic Mathematics » Geometry » Advanced Therorems and Properties

Appeared in Year: 2012

MCQ▾

### Question

In the figure, AKHF, FKDE and HBCK are unit squares; AD and BF intersect in X. Then the ratio of the areas of triangles AXF and ABF is.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 8

» 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: 9

» Basic Mathematics » Geometry » Triangle and Properties

Appeared in Year: 2012

MCQ▾

### Question

In a triangle ABC, it is known that AB = AC. Suppose D is the mid-point of AC and BD = BC = 2. Then the area of the triangle ABC, is.

### Choices

Choice (4) Response

a.

b.

c.

2

d.

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