Question 26

In the following question, select the missing number from the given series.
22, 105, 415, 1240, 2475, ?

Solution

Given series is 22, 105, 415, 1240, 2475, ?

The logic here is

$$\left(22\times5\right)-5=105$$

$$\left(105\times4\right)-5=415$$

$$\left(415\times3\right)-5=1240$$

$$\left(1240\times2\right)-5=2475$$

Similarly,

$$\left(2475\times1\right)-5=2470$$

$$\therefore\ $$The missing term in the series = 2470

Hence, the correct answer is Option B

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In the following question, select the missing number from the given series.22, 105, 415, 1240, 2475, ?