Instructions

What should come in place of the question mark (?) in the following number series ?

Question 172

358, 356, 352, 344, 328, 296, ?

Solution

358 - 2 = 356
356 - 4 = 352
352 - 8 = 344
344 - 16 = 328
328 - 32 = 296
As we can see, the powers of 2 are being subtracted to get the next term.
Hence, the required number is 296 - 64 = 232.

Option A is the right answer.


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