Multiple choice

Directions: Find the missing number in the following series. 710, 675, 605, 500, 360, ?

  1. 245

  2. 185

  3. 163

  4. 145

  5. 135
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Differences: 710-675=35, 675-605=70, 605-500=105, 500-360=140. The differences are multiples of 35. Next difference is 175. 360 - 175 = 185.

AI explanation

The differences between consecutive terms are 675 - 710 = -35, 605 - 675 = -70, 500 - 605 = -105, and 360 - 500 = -140. This shows the differences form a progression with a common increment of -35. Continuing this pattern, the next difference is -175, making the next term 360 - 175 = 185.

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