railway group d reasoning question answers 2013
n incrementally larger even number: 2 to 6: +4 6 to 12: +6 12 to 20: +8 20 to 30: +10 The increments are 4, 6, 8, 10, so the next increment should be 12: 30 + 12 = 42 Result: The next number is 42. 2. Alphabet Series Questi