Page 169 - AFCAT Solved Papers 2011 - 2019 SSBCrack eBook

a 3 4
?% of 932 = 309.6 – 32 76. (c) = Þ b = a
b 4 3
? ´ 932 = 279.6 8a + 5b = 22
100 4
? = 30. 8a + 5´ a = 22
3
70. (b) Let the number = x 24a + 20a = 66
According to question 3
44a = 66
2
x - x = 510 6 6 3
5 a = =
3x = 510 44 2
5 77. (c) a – b = (c + d) + 6 ...(1)
a + b = c – d – 3
...(2)
´
510 5
x = Adding eq. (1) and (2)
3 2a = 2c + 3
=
x 850 2a – 2c = 3
10 3
=
10% of x = ´ 850 85 a – c = = 1.5
100 2
78. (c) Let the numbers are 7x and 8x
71. (d) Amount of salt in the solution = 5% of 6 l = 0.3 l
7x + 3 8
0.3 =
Percentage of salt in the remaining solution = ´ 100 8x + 3 9
5 63x + 27 = 64x + 24
= 6% x = 3
72. (b) Let C. P. = ` 100 Numbers are 21 and 24
Then M.P. = ` 120 79. (b) Let the numbers are a, b and c
a : b = 2 : 3
90
=
\ S.P. = ´ 120 108 b : c = 5 : 8
100 a : b : c
\ Gain % = 8% 2 : 3
4x 5 : 8
73. (d) Let C. P. = ` x, then S.P. = ` 10 : 15 : 24
3
10x + 15x + 24x = 98
æ 4x ö x 49x = 98
Gain = ` ç è 3 - x = ÷ ø ` 3 x = 2
Second number = 15 × 2 = 30
æ x 1 ö 9
\ Gain % ç è 3 ´ x ´ 100 = ÷ ø 33.33% 80. (b) Sita’s share = 17 ´ Amount

´
74. (b) Let C.P. = ` x, S.P. = ` y \ Amount = 17 4500 = ` 8500
Profit = y - x 9
According to question 81. (c) All of the components of figure (X) are present in the
Profit = S.P. - C.P. figure (c)
3 (y - x) = 2y - x 82. (c) All of the components of figure (X) are present in the
figure (c)
3y - 3x = 2y - x 83. (c) All of the components of figure (X) are present in the
Þ y = 2x figure (c)
Profit = 2x - x = x 84. (a) All of the components of figure (X) are present in the
æ x ö figure (a)
=
÷
Profit % = ç ´ 100 % 100% 85. (c) When the key figure (X) will be rotated it will look like
è x ø figure (c). The three faces are in the following manner
75. (a) Let estate cost is ` x in clock wise direction.
4 ´ x = 16800 A ® B ® X
5 96. (d) In each row, the first unit is deleted in the third unit.
x = 21000 97. (d) Answer figure (d) will complete the matrix.
98. (d) Answer figure (d) will complete matrix.
3
Value of ´ 21000 = = ` 9000 99. (d) Answer figure (d) will complete matrix.
9000
7 100. (b) Answer figure (b) will complete matrix.