# JSTSE PREVIOUS YEAR QUESTION PAPER 2010-11

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 2010-11**.

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 |

**Eligibility:** – Any student of recognised school studying in Class IX in Govt./Govt. Aided/Public/KV/Navodaya/NDMC and must have secured 65% marks in class VIII.

**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.

## JSTSE PREVIOUS YEAR QUESTION PAPER 2010-11:

## General Knowledge

**Click Here TO Download This File**

## General Science + Mathematics

**JSTSE Previous Year Question Papers 2010-11 Ques No 1:**

The P/Q form of 23.43 is

**Options:**

A. 2343/99

B. 2343/100

C. 2320/99

D. 2343/999

**JSTSE Previous Year Question Paper 2010-11 Ques No 2:**

If x = 1 – √2, then the value of (x – x^{-1})^{3} is

**Options:**

A. 2√2

B. 8

C. 1

D. None of above

**JSTSE Previous Year Question Papers 2010-11 Ques No 3:**

If 27^{x} = 9/3^{x}, then the value of x is

**Options:**

A. 0

B. 1/2

C. 1/3

D. 1

**JSTSE Previous Year Question Paper 2010-11 Ques No 4:**

On simplifying (1/2)^{3} + (1/3)^{3} – (5/6)^{3} we get

**Options:**

A. 0

B. -1

C. -5/12

D. 5/12

**JSTSE Previous Year Question Papers 2010-11 Ques No 5:**

If 109^{x}/5 = 209^{0} x 5^{-1}, then the value of x is

**Options:**

A. -1

B. 0

C. 1

D. None of above

**JSTSE Previous Year Question Paper 2010-11 Ques No 6:**

On simplifying (3^{99} + 3^{98}) / (3^{100} – 3^{99}), we get

**Options:**

A. 3^{197}

B. 3^{196}

C. 3/2

D. 2/3

**JSTSE Previous Year Question Papers 2010-11 Ques No 7:**

In a triangle ABC, the internal bisector of angles B and C meet at P and external bisectors of B and C meet at Q, then angles (BPC + BQC) will be

**Options:**

A. 90 degree

B. 90 degree – A/2

C. 90 degree + A/2

D. 180 degree

**JSTSE Previous Year Question Paper 2010-11 Ques No 8:**

In figure, OM ⊥ AB and OM = 4 cm, OC = 5 cm, then AB is

**Options:**

A. 10 cm

B. 9 cm

C. 8 cm

D. 6 cm

**JSTSE Previous Year Question Papers 2010-11 Ques No 9:**

In figure, O is the centre of circle, if angle ACB = 40 degree then the value of angle OAB is

**Options:**

A. 40 degree

B. 50 degree

C. 70 degree

D. 80 degree

**JSTSE Previous Year Question Papers 2010-11 Ques No 10:**

If P and Q are any two points lying on the sides DC and AB respectively of a parallelogram ABCD, then the ratio of ar(∆APB) to ar(∆BQC) is

**Options:**

A. 2 : 3

B. 1 : 2

C. 2 : 1

D. 1 : 1

**JSTSE Previous Year Question Papers 2010-11 Ques No 11:**

In figure, four points A, B, C, D are on a circle. AC and BD intersect at E such that ∠BEC = 130^{◦} and ∠ECD = 20^{◦} then ∠BAC is

**Options:**

A. 50 degree

B. 80 degree

C. 110 degree

D. 150 degree

**JSTSE Previous Year Question Paper 2010-11 Ques No 12:**

In figure, 2r is the radius of circle, then the shaded area of the region is

**Options:**

A. πr^{2}/2

B. 2πr^{2}/3

C. πr^{2}

D. 3πr^{2}/2

**JSTSE Previous Year Question Papers 2010-11 Ques No 13:**

The radius and slant height of a cone are in the ratio 4 : 7. If the curved surface area is 792 cm^{2}, then radius will be

**Options:**

A. 7 cm

B. 11 cm

C. 12 cm

D. 28 cm

**JSTSE Previous Year Question Papers 2010-11 Ques No 14:**

If D, E, F are mid points of sides BC, CA and AB respectively of a triangle ABC, then the ratio of ar(ABDE) and ar(ABC) is

**Options:**

A. 1 : 2

B. 2 : 3

C. 3 : 4

D. none of above

**JSTSE Previous Year Question Paper 2010-11 Ques No 15:**

The diameter of a sphere is decreased by 25% then the ratio of its curved surface area to that of new sphere is

**Options:**

A. 4 : 3

B. 12 : 11

C. 16 : 9

D. 32 : 27

**JSTSE Previous Year Question Papers 2010-11 Ques No 16:**

The distance between points A(2, 0) and B(6, 3) is

**Options:**

A. 7 units

B. 6 units

C. 5 units

D. 4 units

**JSTSE Previous Year Question Paper 2010-11 Ques No 17:**

The volume of the sphere curved out of a cube of side 7 cm is

**Options:**

A. 343π /6 cm^{3}

B. 343π /7 cm^{3}

C. 343π /8 cm^{3}

D. None of above

**JSTSE Previous Year Question Papers 2010-11 Ques No 18:**

If M is the mean of x_{1}, x_{2}, x_{3}, …, x_{10}, then the value of

**Options:**

A. 10

B. 5

C. 15

D. 0

**JSTSE Previous Year Question Paper 2010-11 Ques No 19:**

The sum of deviations of a set of n values of x_{1}, x_{2}, x_{3}, …, x_{n} measured from 15 and -3 are -90 and 54 respectively. Then the value of n is

**Options:**

A. 12

B. 8

C. 17

D. 6

**JSTSE Previous Year Question Papers 2010-11 Ques No 20:**

If the medians of numbers 29, 32, 48, 50, x, x+2, 72, 78, 84, 95 is 63, then the value of x is

**Options:**

A. 52

B. 56

C. 60

D. 62

**JSTSE Previous Year Question Paper 2010-11 Ques No 21:**

In a cricket match, a batsman hits a boundary 6 times out of 30 balls he plays, then the probability that he does not hit a boundary is

**Options:**

A. 4/5

B. 3/5

C. 2/5

D. none of above

**JSTSE Previous Year Question Papers 2010-11 Ques No 22:**

In the figure below, the value of ∠BOC, if AB || CD, is

**Options:**

A. 50 degree

B. 60 degree

C. 70 degree

D. 120 degree

**JSTSE Previous Year Question Paper 2010-11 Ques No 23:**

The value of tan1tan2tan3….tan89 is

**Options:**

A. 1

B. -1

C. 0

D. None of these

**JSTSE Previous Year Question Papers 2010-11 Ques No 24:**

If asinθ = bcosθ, then the value of sec^{2}θ is

**Options:**

A. a^{2}/b^{2}

B. b^{2}/a^{2}

C. b^{2}/(a^{2} + b^{2})

D. (a^{2} + b^{2})/a^{2}

**JSTSE Previous Year Question Paper 2010-11 Ques No 25:**

If both (x – 2) and (x – 1/2) are factors of px^{2} + 5x + r, then

**Options:**

A. p = r

B. p > r

C. p < r

D. None of these

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 |