Q. Complete the following series :
18, 24, 21, 27, ?, 30, 27
18, 24, 21, 27, ?, 30, 27
✅ Correct Answer: (C)
24
Explanation: 1st Number 3 = 3rd number, 3rd number 3 = 5th number, 5th number 3 = 7th number
2nd number 3 = 4th number, 4th number 3 = 6th number
18 3 = 21, 21 3 = 24, 24 3 = 27
And 24 3 = 27, 27 3 = 30
Hence, the correct answer is "24".
Explanation by: Gopal Sharma
1st Number 3 = 3rd number, 3rd number 3 = 5th number, 5th number 3 = 7th number
2nd number 3 = 4th number, 4th number 3 = 6th number
18 3 = 21, 21 3 = 24, 24 3 = 27
And 24 3 = 27, 27 3 = 30
Hence, the correct answer is "24".
2nd number 3 = 4th number, 4th number 3 = 6th number
18 3 = 21, 21 3 = 24, 24 3 = 27
And 24 3 = 27, 27 3 = 30
Hence, the correct answer is "24".