CISF Paper Contributed by Arun Das updated on Aug 2020
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CISF Placement Paper

1. The temperatures in degree Fahrenheit at 4: 00 p.m. for a one-week period in a certaincity are 47, 68, 58, 73, 42, 43, 68. How many days are of greater temperature than mean temperature ?
(a) 4
(b) 3
(c) 2
(d) 1

2. 'X' eats 1/3 of an apple. His friend 'Y' eats 3/4 of the remaining apple. What part of the apple is left behind ?
(a) 1/2
(b) 1/3
(c) 1/4
(d) 1/6

3. If the product of four consecutive integers is equal to one of the integers, then what is the largest possible value of one of the integers ?
(a) - 1
(b) 2
(c) 4
(d) None of the above

4. What. is 'X' in the sequence 7, 13, 24, 45, X,167 ?
(a) 66
(b) 73
(c) 86
(d) 98

5. Out of 320 students,200 students take tea and 80 students take coffee only. The number of students who take both tea and coffee is equal to the number of students who thke neither tea nor coffee. What is the number of students who take both tea and coffee ?
(a) 10
(b) 20
(c) 30
(d) None of the above

6. How many pairs containing a man and a woman can be formed out of 5 men and 5 women ?
(a) 30
(b) 25
(c) 20
(d) 10

7. Consider the following analogy :If `Spoon' is to `Fork', then `Spade' is to
(b) Scissors
(c) Hoe
(d) Sickle

8. A bell rings every 18 seconds. A second bell rings every 24 seconds and a third bell rings every 32 seconds. If all the three bells ring at the same time at 8 o'clock in the morning, at what other time will they all ring together ?
(a) 12: 40 hrs
(b) 12: 48 hrs
(c) 12 :56 hrs
(d) 13: 04 hrs

9. In a row 'A' is in the 11th position from the left and 'B' is in the 10th position from the right. If 'A' and 'B' interchange, then 'A' becomes 18th from the left. How many persons are there in the row other than 'A' and 'B' ?
(a) 25
(b) 26
(c) 27
(d) 28

Direction : For the next four (10-13) items that follow :
There are six persons A, B, C, D, E and F.
A has 3 items more than C.
D has 4 items less than B.
E has 6 items less than F.
C has 2 items more than E.
F has 3 items more than D

10. Which one of the following cannot be equal to the total number of items possessed by all the six persons ?
(a) 41
(b) 47
(c) 53
(d) 58

11. Consider the following statements :
1. The total number of items possessed by both A and E is equal to the total number of items possessed by both C and D.
2. The total number of items possessed by both A and C is equal to the total number of items possessed by both B and E.Which of the above statements is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

12. The difference in the number of items possessed by a pair of persons is 1. How many such pairs of persons are possible ?
(a) 2
(b) 3
(c) 4
(d) None of the above

13. Consider the following statements :
1. The total number of items possessed by B and D together is twice the number of items possessed by A.
2. The total number of items possessed by E and F together is twice the number of items possessed by D.
Which of the above statements is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

14. What is the time taken by a 240 m long train running at 80 km/hr to cross a bridge 160 m long ?
(a) 12 s
(b) 18 s
(c) 30 s
(d) 60 s

15. A sum of money doubles itself at a compound interest in 12 years. The number of years it will take to become eight times is
(a) 24
(b) 36
(c) 42
(d) 48

16. Consider the following
P is shorter than Q but taller than R.
S is shorter than P but taller than R.
T-is shorter than Q but taller than P.
Who is the shortest person ?
(a) P
(b) Q
(c) R
(d) S

17. A number consists of 3 digits whose sum is 10. The middle number is equal to the sum of the other two digits. The number will be increased by 99 if its digits are reversed.What is the number ?
(a) 370
(b) 253
(c) 406
(d) 442

18. How many numbers are there between 100 and 300 which either begin with or end with2?
(a) 109
(b) 110
(c) 111
(d) None of the above

19. A person who lives exclusively on milk, egg and bread is likely to become a victim of
(a) Rickets
(b) Scurvy
(c) Beri-Beri
(d) None of the above

20. In SONAR, which one of the following waves is used ?
(a) Ultrasonic waves
(b) Infrasonic waves
(d) Micro waves

21. The duration of day is the highest on
(a) Earth
(b) Mercury
(c) Venus
(d) Mars

22. When we see an object, the image formed on the retina of our eye is
(a) real and erect
(b) virtual and erect
(c) real and inverted
(d) virtual and inverted

23. The gas usually filled in the electric bulb is
(a) Carbon dioxide
(b) Hydrogen
(c) Oxygen
(d) Argon

24. The harmful ozone in the troposphere is associated with
(a) smog formed in cities
(b) smoke of forest fire
(c) late night fog
(d) marshy land

25. Mixed fertilizers are those that contain
(a) urea
(b) ammonium sulphate
(c) calcium dihydrogen phosphate
(d) sodium nitrate

26. Which one of the following is not an element ?
(a) Gold
(b) Brass
(c) Copper
(d) Tin

27. Which one of the following is a `true fruit' ?
(a) Apple
(b) Pear
(c) Banana
(d) Fig

28. In which one,among the following languages was the ancient Sangam literature composed ?
(a) Sanskrit
(b) Prakrit
(c) Pali
(d) Tamil

29. `Neel Darpan' was authored by
(a) Derozio
(b) Bankim Chandra
(c) Dinabandhu Mitra
(d) Rabindranath Tagore

30. Sido and Kanhu were tribal rebels of
(a) Odisha
(b) Assam
(c) Chotanagpur
(d) Rajasthan