1. Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series. b_bab_bc_abbb_ba_b ?

cbbac

cbabc

cbbcb

bcbab

Answer: cbbcb

Explanation:


2. Which number will replace the question mark (?) in the following series, 136,137,135,138,134,139, ?

136

138

139

133

Answer: 133

Explanation:


3. Which number will replace the question mark (?) in the following series,, 4, 10, 18, 38, ?, 150 ?

78

74

84

70

Answer: 74

Explanation:


4. Which letter will replace the question mark(?) in the following series, A, D, G, J, M, ?

Q

P

O

N

Answer: P

Explanation:


5. Identify the number that does NOT belong in the given series. 0,6,24,60,120,216 ?

120

216

6

60

Answer: 216

Explanation:


6. Which letter-cluster will replace the question mark (?) in the following series? 1,5,5,25,?,3125 ?

215

125

225

375

Answer: 125

Explanation: