Multiple choice

In the following number series, find the missing term? $1528 1548 ? 1620 1676$

  1. $1565$
  2. $1578$
  3. $1568$
  4. $1572$

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Differences: 1548-1528=20, next difference should be 30, then 40, then 50. 1528+20=1548, 1548+30=1578, 1578+40=1618 (given 1620), 1618+50=1668 (given 1676). Minor variations but 1578 fits best. Pattern is adding consecutive multiples of 10 starting from 20.

Keep practicing — related questions