Page 188 - AFCAT Solved Papers 2011 - 2019 SSBCrack eBook

According to question
1 1 1
x – 95% of x = [(2000 – x – 85% of (2000 – x)] Time ratio = : : = 12 :15 :10
5 4 6 60
é 95 ù é 85 ù
x 1 ê - ú = ( 2000 x 1 ê - ) - ú The ratio between the time taken by them to travel the
ê 100ú ë û ê 100ú ë û same distance is 12 : 15 : 10
5x = (2000 – x) 15 56. (c) Let the number are 3x and 4x.
20x = 30000
+
x = 1500 3x 6 = 4
+
Hence, the salary of A is ` 1500. 4x 6 5
50. (b) Total number of males those are literate = 60% of 20% 15x + 30 = 16 x + 24
of 1000
x = 6
60 20 Number are 18 and 24.
= ´ ´ 1000 = 120
100 100 Hence, required difference is 6.
Total number of males in the town = 600 57. (b) S.I. = ` (956 – 800) = ` 156;
Total number of females in the town = 400 P = 800, T = 3 yrs.
Total number of all inhabitants those are literate = 25%
of 1000 = 250 R = æ 100 156 ö ´ % 6.5%
=
Remaining females those are literates = 250 – 120 = 130 Q ç è 800 3 ø ´ ÷
130 New rate = (6.5 + 4) = 10.5%
\ Required % = ´ 100
400
æ 800 10.5 3 ö ´ ´
= 32.5% New, S.I = ` ç ç 100 ÷ ÷ = ` 252
51. (b) C. P. of 56 kg rice è ø
= (26 × 20 + 30 × 36) \ New amount = 800 + 252 = 1052
= ` (520 + 1080) = ` 1600 P R T
´
´
S. P. of 56 kg rice = 56 × 30 = ` 1680 58. (d) SI = 100
80
=
´
´
Profit % = ´ 100 5% 450 4.5 T
1600 81 =
52. (a) Profit = S. P – C. P 100
Profit = 240 100 81
´
T = = 4 years
´
Profit 450 4.5
Profit % = ´ 100
C.P. 60. (b) 365.089 –? + 89.72 = 302.35
? = 365.089 + 89.72 – 302.35
240
20 = ´ 100 Þ C.P. 1200 ? = 152.459
=
C.P.
Therefore, S.P = 1200 + 240 = ` 1440 61. (c) Let the number of girls be x.
53. (a) Let the original price = `100 60 × 3.60 + x × 2.40 = 312
Then, C.P. = ` 90 x = 40
æ 130 ö 62. (d) ‘INCITE’ means to encourage illegalor unpleasant.
S. P. = 130% of 90 = ` ç ´ 90 ÷ 63. (b) ‘SUCCUMB’ means not to be able to fight.
è 100 ø
= ` 117 64. (c) ‘ANOMALOUS’ means different what from is normal
\ Required percentage = (117 – 100) or expected.
= 17% 65. (a) ‘FORTUITOUS’ and accidental means happening by
54. (a) Let the price of a scooter and a TV be 7x and 5x change.
respectively. 66. (a) ‘PERMEABLE’ means allowing something to pass
According to question through.
7x = 5x + 8000 67. (b) ‘CONVOY’ means a group of vehicles travelling
2x = 8000 together.
x = 4000 68. (a) ‘CITE’ means to mention an example in order to support
Hence, the price of TV = ` 20,000 what you are saying.