Quantitative Aptitude Quiz For ESIC- UDC, Steno, MTS Prelims 2022-23rd February

Directions (1-15): Find out the wrong number in the following series. Only one number, if any, is wrong in each series.

Q1. 212, 204, 188, 166, 132, 92, 44
(a)212
(b)166
(c)44
(d)92
(e)132

Q2. 127, 63, 31, 15, 7, 3, 2
(a)15
(b)3
(c)127
(d)2
(e)63

Q3. 21, 63, 113, 170, 234, 305, 383
(a)113
(b)305
(c)234
(d)63
(e)21

Q4. 10, 12, 24, 54, 112, 200, 332
(a)110
(b)10
(c)200
(d)332
(e)54

Q5. 22, 38, 100, 246, 502, 902, 1478
(a)38
(b)902
(c)100
(d)246
(e)502

Q6. 48, 24, 72, 18, 90, 10, 105
(a)10
(b)48
(c)72
(d)105
(e)90

Q7. 250, 249, 240, 216, 166, 85, -36
(a)250
(b)166
(c)85
(d)240
(e)216

Q8. 8, 14, 24, 42, 78, 142, 272
(a)142
(b)42
(c)272
(d)78
(e)24

Q9. 1000, 508, 254, 132, 73, 47.5, 36.75
(a)254
(b)508
(c)132
(d)47.5
(e)36.75

Q10. 84, 97, 114, 133, 156, 187
(a) 114
(b) 156
(c) 84
(d) 187
(e) 97

Q11. 28, 41, 58, 77, 100,127, 160
(a)127
(b)41
(c)58
(d)160
(e)100

Q12. 111, 122, 144, 176, 221, 276, 342
(a)221
(b)176
(c)144
(d)122
(e)276

Q13. 33, 34, 69, 210, 833, 4166
(a)833
(b)33
(c)210
(d)34
(e)69

Q14. 45, 45, 48, 74, 90, 213, 248
(a)74
(b)248
(c)213
(d)90
(e)45

Q15. 49, 100, 169, 289, 361, 529, 841
(a)841
(b)361
(c)289
(d)169
(e)100

Solutions