Multiple choice

Find the missing terms in the given series: 7 56 92 117 133 ?

  1. 148

  2. 142

  3. 138

  4. 135

  5. 140

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Find the pattern in differences: 56-7=49, 92-56=36, 117-92=25, 133-117=16. These are squares of consecutive descending integers: 7², 6², 5², 4². The next difference should be 3²=9. Adding 9 to 133 gives 142, which is option B.