Directions(1-10):The following series are based on a certain pattern. One of the number in series is missing given by ?. Find that number.
- 21, 11, 15, 40, 136.5, ?
618.75543.25576.75634.15None of theseOption A
Solution:
*0.5 + 0.5, *1.5 – 1.5, *2.5 + 2.5, *3.5 – 3.5, *4.5 + 4.5 - 6, 11, 20, 38, 72, ?
176131126143145Option B
Solution:
+5………..+9…………+18……….+34………..+59
…….+22…………+32…………+42………..+52 - 18, 67, 31, 56, 40, ?
5451474956Option D
Solution:
+72, -62, +52, -42, +32 - 18, 8, 10, 16, ?, 560
888472108126Option C
Solution:
*0.5 – 1, *1 + 2, *2 – 4, *4 + 8, *8 – 16 - 456, 312, 481, 285, 510, ?
301239264287254Option E
Solution:
-12, +13 , -14 , +15 , -16 - 4, 5, 12, 39, ?, 805
204158176160238Option D
Solution:
*1 + 1, *2 + 2, *3 + 3, *4 + 4, *5 + 5 - 15.2, 16.9, 20.3, 25.4, 32.2, ?
40.241.340.738.938.5Option
Solution:
+1.7, +3.4, +5.1, +6.8, +8.5 - 21, 24, 19, 28, 13, ?
2636233840Option B
Solution:
…+3…………-5………….+9………….-15………..+23 ……..+2……………+4………..+6…………..+8 - 43, 47, 31, 67, ?, 103
3511814Option A
Solution:
+22, -42, +62, -82, +102 - 3, 5, 12, 38, 154, ?
708662698772736Option D
Solution:
*1 + 2, *2 + 2, *3 + 2, *4 + 2, *5 + 2