Select the number from among the given options that can replace the question mark (?) in the following series.
[6/5], [3/2], [9/5],[21/10], [12/5], ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 27/10.
Given series: [6/5], [3/2], [9/5],[21/10], [12/5], ?
Convert into decimal: 1.2, 1.5, 1.8, 2.1, 2.4, ?
1.2 + 3 = 1.5; 1.5 + 3 = 1.8; 1.8 + 3 = 2.1; 2.1 + 3 = 2.4; 2.4 + 3 = 2.7
2.7 convert in fraction '27/10'