| Q. No. 121: | Complete the following series.
BMX, DNW, FOU, (..?..)
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| A : | HPR
| | B : | GPS
| | C : | HPT
| | D : | MQS
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Answer: A
B+2 = D, D+2=F, F+2=H
M+1=N, N+1=O,O+1=P
X-1=W, W-2=U, U-3 =R
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| Q. No. 122: | Complete the following series.
KORT : PJWO ::: FINR : (..?..)
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| A : | JCRN
| | B : | JSMR
| | C : | KDSM
| | D : | KCSM
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Answer: C
Each alternative letters moves +5 and -5.
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| Q. No. 123: | Which number is wrong in the following series.
2500, 2401, 2116, 1937, 1764, 1600, 1444
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| A : | 1764
| | B : | 2116
| | C : | 2401
| | D : | 1937
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Answer: D
All are the square of the number except 1937.
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| Q. No. 124: | Which number is wrong in the following series.
1, 3, 7, 24, 243, 6561, 1594323
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| A : | 3
| | B : | 7
| | C : | 24
| | D : | 6561
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Answer: C
All are odds except 24.
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| Q. No. 125: | A group of students is organised in two rows, crossing each other. If a student is tenth from all ends, how many students are there is the group ?
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| A : | 27
| | B : | 47
| | C : | 37
| | D : | 39
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Answer: CThe arrangement is as follows :  Let x be the students who is tenth from all ends. The number of students = 4*9 + 1 = 37.
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