Question
2 5 16 65 326
? What will come in place of the question mark (?) in each of the following series?Solution
2 × 2 + 1 = 5 5 × 3 + 1 = 16 16 × 4 + 1 = 65 65 × 5 + 1 = 326 326 × 6 + 1 = 1957
More Series Questions
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
A boat can travel 30 km upstream and 45 km downstream in 6 hours. Find the speed of the boat in still water if the speed of the stream is 4 km/h.
1219.98 ÷ 30.48 × 15.12 = ? × 2.16
(36.35 × 14.89) ÷ 8.78 = ? – 59.98
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
75.01 + 344.923 - 179.93 = ?3 of (√678 + 3.89)
480.11 ÷ 15.98 × 5.14 – 134.9 = √?
√65 of 14.97 + √50 = (12.02)2 - ?
2380.03 ÷ 84.98 x 39.9 = ? + 15.32
(29.892 × √290) + 32.98 × 6.91 = ?
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