# What should come in place of the question mark '?' in the following number series?200, 199.5, 198.5, 197, 195, ?

1. 197.5
2. 192
3. 192.5
4. 197
5. 189.5

Option 3 : 192.5

## Detailed Solution

Calculation:

The series follows following pattern:

⇒ 200 – 0.5 = 199.5

⇒ 199.5 – 1 = 198.5

⇒ 198.5 – 1.5 = 197

⇒ 197 – 2 = 195

⇒ 195 – 2.5 = 192.5

∴ The missing number is 192.5
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