tnpsc mental ability

100 Pages·2017·19.59 MB·English

47. The chairman and the members of UPSC can hold office for six years or till the age of
------which ever is earlier
'l,Jt/f
65 years (B) 62 years
(C) 60 years (D) 58 years
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48. There are 8 mango trees in a straight line. The distance between each mango tree with
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other is 3 metres. What is the distance between the first and the eighth tree?
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(A) 24 m 21 m
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(C) 30 m (D) 27 m
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(C) 30 tll K (D) 27 tll
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49. 1, 4, 6, 9, 11, 14M, 16 ------next to 16 is
\/tl!f" •
19 (B) 17
(C) 18 (D) 16
1, 4, 6, 9, 11, 14, 16 -----16 !i>® t.Slw® "'®"'l>l
(A) 19 (B) 17
(C) 18 (D) 16
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50. A man can do a work in 3 days alone and a women can do the same work in 9 days alone. If
both are work together in how many days they finished the same work.
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(A) - days (B) 6 days
9 .
1
2-days (D)
4
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(c) 4 (D)
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51. Work in a fort 300 men had provisions for 90 days after 20 dayDs 50 men left the fort. How
long would the food last at the same rate?
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(A) 160 days (B) 210 days
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'(Ji/f 84 days (D) 80 days
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(A) 160 1>m:_s;G\r (B)- 210
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(C) 841>•'--"Gtr (D) 80
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52. Simplify:
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1/27 l/16 K
1/729 - +
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1/512+1/343 - V256 ~
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11 VII( 10
(A)
10 M 11
9 12
(C) (D)
10 11
Si(!!j.S(!55:
1/27 l/16
1/129 - +
1/512+1/343 - V256 ~
11 10
(A) (B)
10 11
9 12
(C) (D)
10 11
23 GS1902
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53. How many years will take certain amount to double at 8% interest per annum at simple
interest?
1aX
(A) years ~ 12~ years
10X
(C) years (D) 9 years
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54. Surface Area of a hemisphere is 27.72 cm2 then the totAal surface area of hemisphere is
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4158 cm2 (B) 3172 cm2
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(C) 3882 cm2 E(D) 4258 cm2
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55. Choose the correct option to complete the alphabet letter series
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ABA CABC DCBA BAB A
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\l(l(f' ABDCA (B) BCADC
(C) ABCDD (D) CBDAA
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(A) ABDCA (B) BCADC
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lify x+3 3x+9
56. imp : --+
x3 -1 x2 +x+I
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(A) --·- (B) Sx+l
3x + 1
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(C) 3x-3
3x-3
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x -I x +x+l
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(A) (B) 3x+l
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57. Sasi purchased a house for 't' 27,75,000 and spent ~ 2,25,000 on its interior decoration. He
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sold the house to make a profit of 40%. What is the selling price of the house?
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(A) 31,20,000 (B) 36,00,000
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42,00,000 A (D) 48,00,000
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(A) 31,20,000 (B) 36,00,000
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(C) 42,00,000 (D) 48,00,000
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58. Simplify : (1350+15 - 5) + (47.5 -15 x 2.5)
(A) 85 (B) 10.5
lf!'fr
(C) 10 8.5
"®8;®",. (1350+15 - 5) + (47 .5 -15 x 2.5)
(A) 85 (B) 10.5
(C) 10 (D) 8.5
25 GS1902
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59. Choose the correct option to complete the alphabet letter series.
AB_B,BC_C,_AB~ AB_B
(A) .CCAAC (B) CBABC
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CACAC (D) BCCAB
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(A) CCAAC (B) CBABC
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(C) CACAC (D) BCCAB
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60. What should come in place of the question mark in the following series?
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24,536, 487, 703,678,?
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I (A) 736 (B) 842
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74 2 T (D) 836
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24,536,487, 703, 678,? E
(A) 736 I (B) 842
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(C) 742 C (D) 836
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61. Sum to n terms of an Arithmetic progression is 2n2 + n then eighth term is
(A) 136 (B) 36
(C) 131 ll(l!f' 31
(A) 136 (B) 36
(C) 131 (D) 31
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a,b,c are said to be in Harmonic Pfogression if their reciprocals ..!.., ..!.,! are in Arithmetic
62.
. a b c
progression. What would be the value of x for which 3, x, 6 are in Harmonic Progression.
(A) 4 Y, Vliff 4
(C) 5 (D) 5 ~
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a!G>LOll..ltb?
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(C) 5 (D) 5 ~
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J3.~3.~3.£
63. Value of
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v4
3 (B) Ainfinity
(C) o (DE) .J3
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J3.~3.~3.£ mtDIJuL.1
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(A) 3 E (B) (!lllq.6"1.sl .
(C) 0 . I (D) .J3
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64. Introducing a girl, Raj said, "Her mother is the only daughter of my mother-in-law". How is
Raj related to thMe girl?
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(A) Uncle Father
(C) Brother (D) Husband
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65. A fraction is such that if the numerator is multiplied by 2 and the denominator is reduced
~umerator t~e
by 4 we get IO , but if the is increased by 6 and denominator is doubled we
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.!.!. ,
get what is the fraction?
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(A) -7 ~ -5
5 7
21 17
(C) - (D)
17 21
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21 17
(C), (D) C
17 21
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66. A boy cut a sector containing an angle of 140° from a circle of radius 15 cm and he folded
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the sector into a .cone. What is the curvedA surface area of the cone ~2).
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(A) 572 sq. cm (B) 527 sq. cm
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'(jillf 275 sq. cm (D) 257 sq. cm
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(C) 275 •.Q •. Jl (D) 257 •.Q •. Jl
67. If radii of two cylinders are in the ratio 5 : 3 and their heights are in the ratio 3 : 5 then
ratio of their volumes is
(A) 5: 5 (B) 3: 3
(C) 9: 25 '¢ 5:3
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(C) 9 : 25 (D) 5 : 3
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68. Product of two positive number ,is 34560. The LCM is sixty times of its GCD. Then the
difference of LCM and GCD is
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1416 (B) 1424
(C) 1460 (D) 1464
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69. Find the compound interest on Rs. 31,250 at 8% p.a for 3 yeDars compounded annually?
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. (A) Rs. 8006 (B) Rs. 8106
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(C) Rs. 8096 Rs. 8116
A
E
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(A) ® 8006 S (B) ®· 8106
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(C) ®· 8096 (D) ®· 8116
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70. A number is increaOsed by 10% and then decrease by 10%. Find the net decrease percent.
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(A) 0% 1%
(C) 2% (D) 3%
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(C) 2% (D) 3%
ro 29 GS1902
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71. A school boy walks from his house to school at the rate of 4 kmph. He reaches the school
20 minutes earlier than the se;hedule time. If he walks at the rate of 3 kmph, he reaches the
achool 20 minutes late. What is the distltnce of the school from his house?
(A) 12km
(B) 480km
(C) 21 km
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8 km
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(B) 4so Bl.w A
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(D) s BJ.w
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72. If + =- and -G--+ =2 then values of x and y are
2(2x+3y) 7(3x-2y) 2 2x+3y 3x-2y
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respectively.
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2, 1
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(B) 1, 2
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(C) -1,-2
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(D) -2, 1
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(B) I, 2
(C) -1,-2
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(D) -2, 1
GS1902 30 ro
149. The radii of two right circular cylinders are in the ratio 4:3 and their heights are in the ratio
7:4 then the ratio of their curved surface areas is in the ratio
(A) 3: 5 (B) 5:3
(C) 3: 7 ..,( 7:3
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150. A wall is to be constr_ucted with length 60 m, breadth 3 m and height 5 m. How many bricks
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are required to construct a wall with length 30 cm, breadth 15 cm and height 20 cm?
A
(A) 1,50,000 (B) 1,25,000
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1,00,000 (D) 1, 75,000
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(A) 1,50,000 S (B) 1,25,000
(C) 1,00,000 E (D) 1, 75,000
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151. The ratio of boys and girls in a class 4 : 5 if the number of boys is 24, find the number of
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girls
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(A) 20 (B) 19
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(C) 16 30
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(C) 16 (D) 30
GS1902 60