Question

Complete the series
12, 12, 15, 23, 38,?
Options
(a) 60
(6) 62
(c) 55
(d) 45

Answer 1

Answer:

55 this is correct answer

Answer 2

Given :- Complete the series :- 12, 12, 15, 23, 38, ?

Options :-

(a) 60

(b) 62

(c) 55

(d) 45

Solution :-

Logic :- Difference between given terms is (a² - 1)

Explanation :-

→ 12 + (1² - 1) = 12 + (1 - 1) = 12 + 0 = 12

→ 12 + (2² - 1) = 12 + (4 - 1) = 12 + 3 = 15

→ 15 + (3² - 1) = 15 + (9 - 1) = 15 + 8 = 23

→ 23 + (4² - 1) = 23 + (16 - 1) = 23 + 15 = 38

then, next term will be,

→ 38 + (5² - 1) = 38 + (25 - 1) = 38 + 24 = 62 (b) (Ans.)

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