Instructions

What will come in place of question mark (?) in the given number series ?

Question 85

10, 14, 24, 52, 134, ?

Solution

The difference between two consecutive term is 2 less than thrice the difference between the previous two terms.
14-10=4
24-14=10
52-24=28
134-52=82
Each difference is 2 less than thrice the precious difference.
4$$\times$$3 -2 =10
10$$\times$$3 -2 =28
28$$\times$$3 -2 =82
Hence the next difference must be 2 less than thrice 82 which is 244.
The missing term is 244 + 134 = 378.
Option E is the correct answer.


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