# JSTSE PREVIOUS YEAR QUESTION PAPER 2012-13

Junior Science Talent Search Examination (JSTSE) is conducted by Science Branch of DTE of Education, Delhi every year usually in the month of January for the students of recognized schools of Delhi. In this post, you will get **JSTSE Previous Year Question Paper 2012-13**.

JSTSE | |||||||
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Previous Year Question Papers | |||||||

2007-08 | 2008-09 | 2009-10 | 2010-11 | 2011-12 | |||

2012-13 |
2013-14 |
2014-15 |
2015-16 |
2016-17 |
|||

2018-19 | Physics | Chemistry | Maths | Biology |

The eligibility of JSTSE exam is any students of recognizing school studying in Class 9th in Govt/Public/KV/Navodaya etc and must have secured 65% marks in Class 8th.

**Examination fee:** – No examination fee is charged from students for appearing in this exam.

**Type of Examination**: – The examination consists of two papers.

**I. General Knowledge**

No. of Questions: 50 Marks : 50 Time Alloted: 50 min

50 50 50 min.

**II . General Science and Mathematics**

No. of Questions : 150 Marks : 150 Time Alloted: 150 min

**No. of Scholarships:-** There are 150 scholarships for JSTSE per year.

**Read More :** **129 Maths Short Tricks**

## JSTSE PREVIOUS YEAR QUESTION PAPER 2012-13:

## General Knowledge

**Click Here TO Download This File**

## General Science + Mathematics

**JSTSE Previous Year Question Papers 2012-13 Ques No 1:**

If 6/(3√2 – 2√3) = 3√2 – a√6, then the value of a is

**Options:**

A. √2

B. –√2

C. 2√3

D. -2√3

**JSTSE Previous Year Question Paper 2012-13 Ques No 2:**

The value of (x + y)^{-1}(x^{-1} + y^{-1}) is

**Options:**

A. 1

B. (x + y)^{-2}

C. x^{-1}y^{-1}

D. (xy)^{-1}(x + y)^{-1}

**JSTSE Previous Year Question Papers 2012-13 Ques No 3:**

Which of the following is equal to x?

**Options:**

A. x^{11/7} – x^{4/7}

B. (x^{11/7})(x^{4/7})

C. ^{12}√(x^{4})^{1/3}

D. (√x^{4})^{1/2}

**JSTSE Previous Year Question Paper 2012-13 Ques No 4:**

In the figure, AB and CD intersect at O. The value of x is

**Options:**

A. 32

B. 42

C. 48

D. 96

**JSTSE Previous Year Question Papers 2012-13 Ques No 5:**

In the figure, AB = BD and AD = DC, then ∠BAC : ∠ACB is

**Options:**

A. 1 : 2

B. 2 : 1

C. 1 : 3

D. 3 : 1

**JSTSE Previous Year Question Paper 2012-13 Ques No 6:**

The perimeter of an equilateral triangle is 60 m. Then its area will be

**Options:**

A. 5√3 m^{2}

B. 25√3 m^{2}

C. 100√3 m^{2}

D. 200√3 m^{2}

**JSTSE Previous Year Question Papers 2012-13 Ques No 7:**

Area of rhombus whose one side is 13 cm and one of the diagonals is 10 cm is

**Options:**

A. 36 m^{2}

B. 52 m^{2}

C. 60 m^{2}

D. 120 m^{2}

**JSTSE Previous Year Question Paper 2012-13 Ques No 8:**

ABCDE is a pentagon inscribed in a circle with center O. Then the value of ∠ABC + ∠CDE will be

**Options:**

A. 108 degree

B. 180 degree

C. 270 degree

D. 360 degree

**JSTSE Previous Year Question Papers 2012-13 Ques No 9:**

The area of the shaded region is

**Options:**

A. 154 cm^{2}

B. 231 cm^{2}

C. 462 cm^{2}

D. 616 cm^{2}

**JSTSE Previous Year Question Paper 2012-13 Ques No 10:**

Square piece of side 2 cm are cut off from each corner of a square sheet of side 9 cm. The flaps of the sheet so formed are folded to form an open box. The volume of the box is

**Options:**

A. 20 cm^{3}

B. 28 cm^{3}

C. 50 cm^{3}

D. 98 cm^{3}

**JSTSE Previous Year Question Papers 2012-13 Ques No 11:**

If (a + 1/a)^{2} = 3, then the value of a^{3} + 1/a^{3} is

**Options:**

A. 0

B. -2√3

C. 3√3

D. 6√3

**JSTSE Previous Year Question Paper 2012-13 Ques No 12:**

If the polynomial (ax^{3} + 4x^{2} + 3x – 4) and (x^{3} – 4x + a) leave the same remainder when divided by (x – 3) then the value of ‘a’ is

**Options:**

A. 1

B. -1

C. 19/14

D. -5/14

**JSTSE Previous Year Question Papers 2012-13 Ques No 13:**

In a square PQRS, if P(1, 0), Q(4, 0) and S(1, 3) then the coordinates of point R will be

**Options:**

A. (4, 1)

B. (4, 4)

C. (3, 4)

D. (4, 3)

**JSTSE Previous Year Question Paper 2012-13 Ques No 14:**

In the figure, if O is the center of the circle, then ∠TRQ is

**Options:**

A. 25 degree

B. 35 degree

C. 45 degree

D. 70 degree

**JSTSE Previous Year Question Papers 2012-13 Ques No 15:**

The edges of a triangular board are 50 cm, 120 cm, 130 cm. The cost of painting it at the rate of Rs 900 per m^{2} is

**Options:**

A. Rs. 27

B. Rs. 270

C. Rs. 540

D. Rs. 27000

**JSTSE Previous Year Question Paper 2012-13 Ques No 16:**

Mean of all factors of 18 is

**Options:**

A. 4.25

B. 5.0

C. 6.5

D. 7.6

**JSTSE Previous Year Question Papers 2012-13 Ques No 17:**

In the figure, if O is the center of the circle, then the value of x is

**Options:**

A. 15

B. 30

C. 45

D. 60

**JSTSE Previous Year Question Paper 2012-13 Ques No 18:**

The distance of a point from the x-axis and the y-axis are 5 and 4 respectively. The coordinates of the point can be

**Options:**

A. (5, 4)

B. (5, 0)

C. (0, 4)

D. (4, 5)

**JSTSE Previous Year Question Papers 2012-13 Ques No 19:**

The volume of the two spheres is in the ratio of 125 : 64. Then the ratio of their surface areas will be

**Options:**

A. 5 : 4

B. 25 : 16

C. 16 : 25

D. 125 : 64

**JSTSE Previous Year Question Paper 2012-13 Ques No 20:**

In the figure, PS bisects angle P, PQ, QS, SR are in the ascending order are

**Options:**

A. QS, PQ, SR

B. QS, SR, PQ

C. PQ, QS, SR

D. SR, PQ, QS

**JSTSE Previous Year Question Papers 2012-13 Ques No 21:**

The mean marks of boys and girls in an examination are 60 and 65 respectively. If the mean marks of all the students in that examination is 62, then the ratio of the number of boys to that the number of girls is

**Options:**

A. 2 : 3

B. 3 : 2

C. 122 : 127

D. 5 : 62

**JSTSE Previous Year Question Paper 2012-13 Ques No 22:**

In the figure, AB || PQ and CD || PS, then ∠QPR is

**Options:**

A. 30 degree

B. 42 degree

C. 52 degree

D. 108 degree

**JSTSE Previous Year Question Papers 2012-13 Ques No 23:**

Autorikshaw fare in a city is Rs. 20 for first two kilometer and Rs. 6 per kilometer for subsequent distances covered. Taking the distance covered as x km and total fare as Rs. y, the linear equation in which expresses the above statement is

**Options:**

A. y = 6x + 8

B. y = 6x – 8

C. y = 6x + 20

D. y = 6x + 28

**JSTSE Previous Year Question Paper 2012-13 Ques No 24:**

If an angle is 24 degree more than half of its complement then the angle is

**Options:**

A. 14 degree

B. 38 degree

C. 46 degree

D. 76 degree

**JSTSE Previous Year Question Papers 2012-13 Ques No 25:**

20 circular plates each of radius 14 cm and thickness is 2 cm are placed one above the other to form a cylinderical solid. The total surface area will be

**Options:**

A. 2992 cm^{2}

B. 3520 cm^{2}

C. 4752 cm^{2}

D. 24640 cm^{2}

**JSTSE Previous Year Question Paper 2012-13 Ques No 26:**

ABCD is a parallelogram with AB = (2x + 6) cm, BC = 8 cm and CD = (x + 8) cm. The perimeter of the parallelogram ABCD is

**Options:**

A. 12 cm

B. 20 cm

C. 28 cm

D. 36 cm

**JSTSE Previous Year Question Papers 2012-13 Ques No 27:**

For the data (2, 9, x + 6, 2x + 3, 5, 10, 5) if mean is 7, then mode is

**Options:**

A. 3

B. 5

C. 9

D. 10

**JSTSE Previous Year Question Papers 2012-13 Ques No 28:**

ABCD is a rhombus in which altitude from D to side AB bisects AB. Then angle D of the rhombus is

**Options:**

A. 60 degree

B. 90 degree

C. 120 degree

D. 135 degree

**JSTSE Previous Year Question Paper 2012-13 Ques No 29:**

From the data (1, 4, 7, 16, 27, 29) if 29 is removed, probability of getting a prime number is

**Options:**

A. 1/2

B. 1/5

C. 2/5

D. 1/3

**JSTSE Previous Year Question Papers 2012-13 Ques No 30:**

PQRS is a square. T and U are respectively the mid-points of PS and QR. If O is the point of intersections of TU and QS and PQ = 8 cm, then area of ∆OTS is

**Options:**

A. 4 cm^{2}

B. 8 cm^{2}

C. 12 cm^{2}

D. 16 cm^{2}

JSTSE | |||||||
---|---|---|---|---|---|---|---|

Previous Year Question Papers | |||||||

2007-08 | 2008-09 | 2009-10 | 2010-11 | 2011-12 | |||

2012-13 |
2013-14 |
2014-15 |
2015-16 |
2016-17 |
|||

2018-19 | Physics | Chemistry | Maths | Biology |