Mental Ability Test and Arithmetic for PSC Exams
Questions and answers on Mental Ability Test and Arithmetic , based on previous question papers and PSC Question Bank, for PSC exams. Our experts, Career Team, prepared following model questions and answers. You can study and check your efficiency by practicing Mock Examinations in this site that will be helpful to you. You can make enough revisions to obtain qualified marks in the exam easily.
1. In certain code LION is written as NKQP. How is COW written in the same code?
(a) WOC (b) DPX (c) EQY (d) BNV
Ans: c
2. The LCM of 3,5,7 is:
(a) 35 (b) 21 (c) 15 (d) 105
Ans: d
3. Complete the series: 2,5,11,23,47,…
(a) 49 (b) 52 (c) 95 (d) 106
Ans: c
4. The minimum pass for an examination is 30 percent. Rajan got 55 marks , but he failed due to a shortage of 17 marks. Then the total marks is:
(a) 240 (b) 242 (c) 72 (d) 90
Ans: a
5. Cow: Calf :: Cat: ?
(a) Puppy (b) Kitten
(c) Cub (d) Bitch
Ans: b
6. An article, which is marked Rs.650, is sold for Rs.572. The discount given is:
(a) 12% (b) 13% (c) 21% (d) 26%
Ans : a
7. Which will come in the last in the telephone directory?
(a) Sita (b) Sikand
(c) Sarveswar (d) Shyam
Ans : a
8. Two successive discounts of 10% and 5% are equivalent to a single discount of:
(a) 14% (b) 14.25% (c) 14.5% (d) 15%
Ans : c
9. Which one of the following is different from others?
(a) Pilot (b) Driver
(c) Singer (d) Sing
Ans : d
10. 32 is what percent of 80?
(a)24% (b) 25.6% (c) 36% (d) 40%
Ans : d
11. ? : Knee :: Wrist : Elbow
(a) Finger (b) Ankle
(c) Leg (d) Foot
Ans : b
12. If 76 is divided into four parts proportional to 7,5,3 and 4 the smallest part is:
(a) 16 (b) 14 (c) 12 (d) 10
Ans : c
13. If every alternate letter starting from ‘J’ is deleted from the English alphabet which of the following will be ninth letter from the left end?
(a) R (b) Z (c) Q (d) I
Ans : d
14. The area of a rectangle of 5 metres length and 4 metres breadth is:
( a) 9 sq.m. (b) 16 sq.m.
(c) 20 sq.m. (d) 25 sq.m.
Ans : c
15. Ice: Water :: Water 😕
(a) River (b) Cold
(c)Thirst (d) Steam
Ans : d
16 . If in a language, finger is called toe, toe is called foot, foot is called thumb, thumb is called ankle, ankle is called palm and palm is called knee, then what an illiterate man will put to mark his signature?
(a) Thumb (b) Ankle
(c) Knee (d) Toe
Ans : b
17 . If A:B = 3:4 and B:C = 8:9, then A:B:C = …..
(a) 8:6:9 (b) 9:8:6
(c) 6:8:9 (d) 3:32:9
Ans : c
18. If ‘Sea’ is to ‘Lake’, ‘Palace’ is to:
(a) King (b) House
(c) River (d) Pond
Ans : b
19 . If 30% of (B-A) = 18% of (B+A), then the A:B is equal to:
(a) 4:1 (b) 1:4 (c) 5:4 (d) 5:9
Ans : b
20 . 1,6,30,120,360,?
(a) 720 (b) 640 (c) 450 (d) 540
Ans : a
21 . 76% of 80 is:
(a) 56.6 (b) 56.8 (c) 60.4 (d) 60.8
Ans : d
22 . Which word cannot be formed using the letters of the word ‘PRIVATISATION’?
(a) TRIP (b) PRINT
(c) VISION (d) NATION
Ans : d
23. What value will be obtained if the square of 23 is subtracted from the cube of 9?
(a) 140 (b) 300 (c) 200 (d) 240
Ans : c
24. If the length of a rectangular plot of land is increased by 5% and the breadth is decreased by 10%, how much will its area increase or decrease?
(a) 6.5% increase (b) 5.5% decrease
(c) 5.5% increase (d) 6.5% decrease
Ans :b
25. Monastery:: Monks :: Borstal : ?
(a) Beggars (b) Juvenile delinquents
(c) Orphans (d) Old persons
Ans :b
26. In a certain code ‘BLOCK’ is written as ‘ANNEJ’. How is ‘VISIT’ written in the same code?
(a) UHRHS (b) XKUKV
(c) UKRKS (d) XHUHV
Ans : c
27. The simple interest accured in 4 years on a principal of Rs.25000 is two-tenth of the principal. What is the rate of simple interest
per annum?
(a) 5 (b) 4 (c) 6 (d) 2
Ans : a
28. Find the odd man out:
(a) JKMO (b) QRTU
(c) DEGI (d) UVXZ
Ans : b
29. Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in:
(a) 15days (b) 18days
(c) 20 days (d) 24 days
Ans : b
30. Bombay: Maharashtra :: Bhopal 😕
(a) Karnataka (b) Andhra Pradesh
(c) Madhya Pradesh (d) Nagaland
Ans : c
31. Which is a leap year?
(a) 1704 (b) 1900 (c) 2002 (d) 1974
Ans: a
32 . Crow: Bird :: Lion : ?
(a) Animal (b) Forest
(c) Cave (d) Zoo
Ans: a
33 . Which number to be added to 5820 in order to make it completely divisible by 18?
(a) 6 (b) 16 (c) 14 (d) 12
Ans: d
34 . Pick out the one item that does not belong to the group:
(a) Rice (b) Wheat
(c) Mustard (d) Barley
Ans: c
35 . The correct number in decimal point equivalent to 3/5 is:
(a) 0.5 (b) 0.3 (c) 0.6 (d) 0.06
Ans: c
36 . In a code language 13479 is written as AQFJL and 5268 is written as DMPN. How 396824 is written in the same language?
(a) QLPNMJ (b) QLPMNF
(c) QLPNMF (d) QLPNDF
Ans: c
37 . Which one of the following fractions is the largest?
(a) 10/11
(b) 14/15
(c) 12/13
(d) 13/14
Ans: b
38 . Which is the odd one?
(a) Spring (b) Winter
(c) Rain (d) Autumn
Ans: c
39 . If 7:X = 17.5:22.5, then the value of ‘X’ is:
(a) 9 (b) 8.5 (c) 7.5 (d) 5
Ans: a
40 . If three days ago was the day before Sunday, what will be the day after tomorrow will be?
(a) Thursday (b) Friday
(c) Wednesday (d) Monday
Ans: a
41 . Pick out the one item that does not belong to the group:
(a) London (b) France
(c) Netherlands (d) England
Ans: a
42 . When butter is heated to produce ghee, 37.5 percent of its weight is reduced. When a tin contained butter is heated, 12.5 kg. ghee is obtained. Then the weight of the butter in the tin is:
(a) 18kg (b) 20kg (c) 25kg (d) 30kg
Ans: b
43 . Train: Station:: Ship : ?
(a) Sea (b) Backwater
(c) Harbour (d) Anchor
Ans: c
44. Average of three numbers is 12. If two numbers are 8 and 15 then the third number is:
(a) 11.5 (b) 15 (c) 13 (d) 16
Ans: c
45 . In a certain code ‘DEVELOP’ is written as ‘BHTHJRN’ . How is ‘OFFICER’ written in the same code?
(a) MIDLAHP (b) MIILHAP
(c) MIILCER (d) MDILHAP
Ans: a
46. Three times of an unknown number is one less than 40. What is the unknown number?
(a) 39 (b) 15 (c) 14 (d) 13
Ans: d
47 . The weight of a dog is 12kg more than one fourth of its weight. Then the weight of the dog is:
(a) 14kg (b) 15kg (c) 16kg (d) 18kg
Ans: c
48 . If GOLD is coded as HOME, COME is coded as DONF and CORD is coded as DOSE, how would you code SONS?
(a) TPOT (b) TOOT (c) TOOS(d) TONT
Ans: b
49 . In what ratio must 25% alcohol solution be mixed with 50% alcohol solution to get a 40% alcohol solution?
(a) 1:2 (b) 2:1 (c) 2:3 (d) 3:2
Ans: c
50 . Joule: Energy :: Pascal 😕
(a) Volume (b) Pressure
(c) Density (d) Purity
Ans: b
- Prof. RK Pillai
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