Directions (1-5): What will come in the place of the question mark (?) in the following number series?
Q1. 11, 15, 31 , 67, 131, (?)
(a) 233
(b) 221
(c) 243
(d) 231
(e) 235
Q2. 483, 471, 435, 375, 291, (?)
(a) 183
(b) 184
(c) 185
(d) 186
(e) 173
Q3. 4, 11, 25, 53, 109, (?)
(a) 221
(b) 234
(c) 212
(d) 222
(e) 231
Q4. 36, 154, 232, 278, 300, ?
(a) 304
(b) 313
(c) 308
(d) 307
(e) 306
Q5. 24, 536, 487, 703, 678, ?
(a) 768
(b) 748
(c) 764
(d) 742
(e) 732Directions (6-10): In each of these questions, two equations I and II are given. You have to solve both the equations and give the answer
(a) if x>y
(b) if x≥y
(c) if x<y
(d) if x≤y
(e) if x=y or no relation can be established between x and y
Directions (11–15): What will come in place of the question-mark (?) in the following questions?
Q11. ?÷3.6=780
(a) 2712
(b) 2808
(c) 2848
(d) 2936
(e) 2608
Q12. (1.3×3.3×7.3)÷0.3=?
(a) 102.81
(b) 103.63
(c) 104.39
(d) 105.54
(e) 108.39
Q13. 16.5% of 1400 + 115% of 1200 = ?
(a) 1270
(b) 1351
(c) 1490
(d) 1531
(e) 1611
Q14. √1225 × 16 + √(4900 )=?
(a) 610
(b) 620
(c) 630
(d) 640
(e) 650
SOLUTIONS
S2. Ans.(a)Sol. -12×1,-12×3,-12×5,-12×7,12×9
∴291-(12×9)=291-108=183
S3. Ans.(a)
Sol. ×2+3,×2+3,×2+3…….
∴109×2+3=221
Sol. 560+70=630
S4. Ans.(e)
Sol. 36 154 232 278 300 306
118 78 46 22 6
40 32 24 16

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