Question

Select the option that will replace the question mark to complete the given series. 40, 50, 61, 73, 86, ?, 115

• A. 99
• B. 98
• C. 100
• D. 105

Answer 1

Answer:

C. 100

Read Explanation:

• 40 + 10 = 50

• 50 + 11 = 61

• 61 + 12 = 73

• 73 + 13 = 86

• 86 + 14 = 100

• 100 + 15 = 115

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