- Direction: What should be come in place of question (?) mark in the given number series ?
23, 23, 27, 43, 79, 160
23
27
43
79
160
Option E
the series is, 0^2=0 , 2^2=4, 4^2=16, 6^2=36…
- 16, 9, 11, 19.5, 45, 112.5
16
45
11
9
19.5
Option B
the series is, (*.5+1), (*1+2), (1.5+3)…
- 320, 328, 344, 368, 440, 568
320
344
368
440
568
Option C
the series is, +8, +16,+32, +64…
- 22, 44, 88, 528, 2640, 15840
528
88
2640
44
22
Option B
the series is *2, *3, *4, *5…
- 56, 80, 112, 136, 168, 200
56
112
168
136
200
Option E
the series is, +24, +32, +24, +32…
- 20, 30, 50, 80, 120, ?
170
150
160
190
200
Option A
the series is, +10, +20, +30, +40, +50
- 15, 28, 48, 82, 137, ?
210
220
230
200
180
Option B
the series is difference of difference.
- 330, 343, 360, 379, 402, ?
431
427
432
435
440
Option A
the series is, 13, 17, 19, 23, 29 difference of consecutive prime numbers.
- 9600, 1920, 480, ?, 80, 80
200
320
80
240
160
Option E
the series is, ÷5, ÷4, ÷3, ÷2, ÷1
- 25, 55, 85, 115, 145, ?
165
160
170
175
180
Option D
the series is +30, +30, +30…
