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കൊടുത്തിരിക്കുന്ന ശ്രണിയിലെ കാണാതായ പദം കണ്ടെത്തുക.

3, 15, ?, 255, 1023

A45

B51

C67

D63

Answer:

D. 63

Read Explanation:

2²-1 = 3 4² - 1 = 15 8² - 1 = 63 16² - 1 = 255 32² - 1 = 1023


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