DSSSB · Mathematics
The average of 10 numbers is 80. The average of the first 5 numbers is 60, and the average of the next 4 numbers is 65. The 10th number is 10 less than the 11th number. What is the value of the 11th number?
- 250
- 260
- 230
- 240
The average of 10 numbers is 80. The average of the first 5 numbers is 60, and the average of the next 4 numbers is 65. The 10th number is 10 less than the 11th number. What is the value of the 11th number?
- 250
- 260
- 230
- 240
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