UPSC PYQPrelims 2026

Civil Services Examination · வினா 57

In a sequence of numbers, each number other than the first two is the sum of the two immediately preceding numbers from it. If the first two numbers in the sequence are 4 and 7, then the sixth number is

  1. 29
  2. 37
  3. 43
  4. 47
விடையைக் காட்டு & விளக்கம்

விடை: (D) 47

விளக்கம்

4, 7, 11, 18, 29, 47.