Question : Directions: Which number will replace the question mark (?) in the following series? 57, ?, 62, 71, 87, 112, 148
Option 1: 61
Option 2: 60
Option 3: 58
Option 4: 59
Correct Answer: 58
Solution : Given: 57, ?, 62, 71, 87, 112, 148
Add the square of natural numbers in increasing order, to obtain the required missing number in the series – 57 + 12 = 57 + 1 = 58, 58 + 22 = 58 + 4 = 62, 62 + 32 = 62 + 9 = 71, 71 + 42 = 71 + 16 = 87, 87 + 52 = 87 + 25 = 112, 112 + 62 = 112 + 36 = 148
So, 58 is the missing term in the given series. Hence, the third option is correct.
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Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 38, 57, 40, 59, 42, (?)
Option 1: 59
Option 2: 62
Option 3: 60
Option 4: 61
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 118, 93, 76, 67, 62, ?
Option 3: 61
Option 4: 58
Question : Directions: Which number will replace the question mark (?) in the following series? 112, ?, 83, 70, 58, 47, 37
Option 1: 94
Option 2: 97
Option 3: 100
Option 4: 104
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 69, 65, 67, 63, ?, 61
Option 1: 65
Option 3: 62
Option 4: 64
Question : Directions: Which number will replace the question mark (?) in the following series? 58, 59, 51, 78, 14, ?
Option 1: 97
Option 2: 139
Option 3: 83
Option 4: 163
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