The average of 12 numbers is 20. If the average of 7 of these numbers is 15, find the average of remaining 5 numbers.
Answers
Answered by
0
Step-by-step explanation:
Correct option is B)
Sum of 20 numbers =20×12=240
Sum of first 12 numbers =11×12=132
Sum of next 7 numbers =10×7=70
∴ Last number =240−(132+70)=240−202=38
Answered by
2
Answer:
27
Step-by-step explanation:
12×20=240
15×7=105
240-105=135
135÷5=27
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