Dear reader here we are providing some question on number series which can be helpful in your upcoming exam
Directions (1 - 10): What will come in place of the question mark (?) in the following number series?
1. 5, 9, 18, 34, 59, 95, (?)
(1) 272 (2) 186 (3) 140
(4) 144 (5) None of these
2. 1200, 480, 192, 76.8, 30.72, (?)
(1) 15.91 (2)18.321 (3) 12.288
(4) 12.234 (5) None of these
3. 13, 14, 30, 93, 376, (?)
(1) 1848 (2) 1125 (3)1150
(4) 1885 (5) None of these
4. 505, 528, 574, 643, 735 , (?)
(1) 850 (2) 888 (3) 812
(4) 618 (5) None of these
5. 13, 16, 14, 17, 15, 18, (?)
(1) 16 (2) 15 (3) 14
(4) 21 (5) None of these
6. 2, 8, 20, 44, 92, (?)
(1)189 (2)188 (3) 288
(4) 818 (5) None of these
7. 15, 21, 33, 51, 75, (?)
(1) 103 (2) 102 (3) 105
(4) 95 (5) None of these
8. 17 52 158 477 (?) 4310
(1) 1433 (2) 1432 (3) 1435
(4) 1434 (5) None of these
9. 3 22 (?) 673 2696 8093
(1) 134 (2) 556 (3) 646
(4) 656 (5) None of these
10. 6 13 38 (?) 532 2675
(1) 129 (2) 190 (3) 110
(4) 102 (5) None of these
ANSWER WITH EXPLANATION:
1. (4):
5, 9, 18, 34, 59, 95 (144)
+4 +9 +16 +25 +36 +49
2. (3)
1200*2/5 , 480*2/5, 192*2/5, 76.8*2/5, 30.72*2/5,(12.288)
3. (4)
13, 14, 30, 93, 376, (1885)
*1+1 *2+2 *3+3 *4+4 *5+5
4. (1)
505, 528, 574, 643, 735, (850)
+23 +46 +69 +92 +115
5. (1)
13, 16, 14, 17, 15, 18, (16)
+3 -2 +3 -2 +3 -2
6. (2)
2 8 20 44 92 (188)
+6 +12 +24 +48 +96
7. (3)
15 21 33 51 75 (105)
+6 +12 +18 +24 +30
8. (3)
17 52 158 477 (1435) 4310
*3+1 *3+2 *3+3 *3+4 *3+5
9. (1)
3 22 (134) 673 2696 8093
*7+1 *6+2 *5+3 *4+4 *3+5
10. (1)
6 13 38 (129) 532 2675
*1+7*1 *2+6*2 *3+5*3 *4+4*4 *5+3*5
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