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Organisation : Lead Trust
Exam : LEAD Talent Search Exam – LTSE
Document Type : Sample Question Papers
Year : 2015
Category or Subject : 10th std

Website : https://leadtrust.in/
Download Model Question Paper :
LTSE – 2015 : https://www.pdfquestion.in/uploads/9263-LTSE-2015.pdf
LTSE – 2014 : https://www.pdfquestion.in/uploads/9263-LTSE-2014.pdf
LTSE – 2013 : https://www.pdfquestion.in/uploads/9263-LTSE-2013.pdf

LEAD Talent Search Exam LTSE Question Paper

Scholarship-Cum-Admission Test – For Students passing 10th std in 2015
Exam Time : 10.00am – 12.30pm

Related / Similar Question Paper :
Lead Trust LTSE 2020 Question Paper

Instructions To The Candidate

1. This question booklet contains 120 questions. Please verify that this booklet contain all 120 questions in correct serial order.

2. This question paper consists of 4 parts :
Part I : Logical Reasoning
Part II : Mathematics
Part III : Physics
Part IV : Chemistry
Part V : Biology.
** It contains questions of the objective type only.
** Indicate your answers ONLY on the OMR sheet.
** Follow the instructions strictly.

3.a. Students opting for IIT-JEE 2017 should answer Part I , Part II, Part III & Part IV only.
Time: 150 mins.
Marks: 95

b. Students opting for Medical 2017 should answer Part I, Part III, Part IV & Part V only.
Time: 150 mins
Marks: 95

4. Negative Marking :
** Each correct answer will be awarded one mark, ¼ marks will be deducted for each incorrect answer.
** More than one answer marked against a question will be deemed as an incorrect response and will be negatively marked.
5. Use of Calculators/logarithmic tables is NOT ALLOWED.

Part 1 – Logical Reasoning

1. Find the next number in the sequence 7 : 48 :: 8 : ?
a. 78
b. 65
c. 59
d. 63

2. Choose a number that is similar to the numbers in the set 579, 489, 363
a. 471
b. 284
c. 296
d. 167

3. Find the odd pair
a. 54-62
b. 70-80
c. 28-32
d. 21-24

4. A watch reads 7:30. If the minute hand points at West, in which direction will the hour hand point?
a. South-West
b. North-West
c. South-East
d. North-East

5. One early morning immediately after sunrise, I stood directly facing my house. I noticed that the shadow of the house fell to my left. In which direction was I facing?
a. South
b. North
c. East
d. West

6. Complete the series: 11, 23, 48, 99, 202, …
a. 401
b. 408
c. 409
d. 405

7. Complete the series: A, CD, GHI, …, UVWXY
a. LMNO
b. MNO
c. NOPQ
d. MNOP

8. Find the missing number
a. 55
b. 50
c. 36
d. 40

9. Find the missing number
a. 18
b. 16
c. 25
d. 8

10. Other than noon and midnight, how many times do the hour and the minute hands cross each other?
a. 11
b. 10
c. 9
d. 12

11. Five marbles of different colors are arranged in a line. You decide to arrange these marbles in different unique combinations, but move only one marble per minute. How much time will it take for you to arrange them in all possible combinations?
a. One hour
b. One and half hours
c. Two hours
d. Two hours and 20 minutes

12. I told my daughter: “I was your present age when you were born”. I am 40 years old now. How old will be my daughter 10 years from now?
a. 10
b. 20
c. 30
d. 25

13. If 9 * 3 = 144 and 6 * 3 = 81, what is 10 * 2?
a. 100
b. 144
c. 104
d. 169

14. Five timers are set to ring at durations of 12 seconds, 15 seconds, 20 seconds, 25 seconds and 45 seconds. If they all ring together at 12:00 noon, when will they all ring together again next?
a. 1:00 PM
b. 1:05 PM
c. 12:30 PM
d. 12:15 PM

15. Imagine that Dec 1st of some year is a Tuesday. When will the last Sunday of that year fall on?
a. Dec 29th
b. Dec 27th
c. Dec 26th
d. Dec 30th

Part 2 – Physics

1. If one puts ones ears to the steel rail, the sound of a coming train can be heard even when the Train cannot be seen. One can conclude from this observation that
a. Sound travels faster in steel than in air.
b. Amplitude of sound in the rail is much larger than in air.
c. Sound can travel larger distances in solids than in air.
d. Quality of sound in rail is better than in air.
The reasonable conclusions are
a. a and c
b. a and b
c. b and c
d. b and d

2. Examine the following statements:
a. When two bodies are rubbed against each other, the charges are created.
b. When two bodies are rubbed against each other, charges in these bodies are redistributed.
c. When two bodies are rubbed against each other, similar charges appear on each.
d. When two bodies are rubbed against each other, dissimilar charges appear on both.
The correct statements are:
a. All four
b. None
c. Only A and C
d. Only B and D

Bottom of the bucket containing water appears to be raised; physical phenomenon behind it is:
a. Reflection of light
b. Refraction of light
c. Diffraction of light
d. Dispersion of light

3. The type of motion with reference to friction in decreasing order is:
a. rolling, static, sliding
b. rolling, sliding, static
c. static, sliding, rolling
d. sliding, static, rolling

4. Mohan moves 30 mts in a straight line towards East and then moves 40 mts to the South. Find his displacement:
a. 70 mts
b. 20 mts
c. 50 mts
d. 60 mts

5. A vibrator generates the waves of the speed 330 m/s and wavelength 1.1 m. Then the frequency and timeperiod is
a. 264 Hz, 0.0037 sec
b. 412.5 Hz, 0.0024 sec
c. 300 Hz, 0.0033 sec
d. 264 Hz, 0.0033 sec

6. When a stone is dropped into the lake, the produced waves are
a. Transverse waves
b. Sound waves
c. Longitudinal waves
d. Electromagnetic waves

7. The power of the concave lens is 0.05 per cm. At what distance should the object from the lens be placed so that it forms an image at 10 cm from the lens?
a. 20 cm
b. 1/20 cm
c. 10 cm
d. 1/10 cm

8. The acceleration due to gravity of the earth is 9.8 m/s2 and the radius of the earth is 6400 km. What is the approximate mass of the earth ? Take Universal Gravitational constant G = 6.67 × 10-11 Nm2/Kg2 :
a. 6 × 1024 kg
b. 6 × 1020 kg
c. 9 × 1024 kg
d. 9 × 1020 kg

9. Which of the following correctly describes the magnetic field near a long straight wire?
a. The field consists of straight lines perpendicular to the wire.
b. The field consists of straight lines parallel to the wire.
c. The field consists of radial lines originating from the wire.
d. The field consists of concentric circles centred on the wire.

Part 3 – Chemistry

1. How many electrons are present in second shell of Oxygen ?
a) 2
b)6
c)8
d)4

2. Most soluble in water is —
a) Camphor
b) Sugar
c) Sulphur
d) Common Salt

3. The number of moles of solute present in 1 kg of a solvent is called its
a) molality
b) molarity
c) normality
d) formality

4. The most electronegative atom among the following is
a) Oxygen
b) Fluorine
c) Nitrogen
d) Helium

5. The metallurgical process in which a metal is obtained in a fused state is called
a) smelting
b) Roasting
c) calcinations
d) froth floatation