Average of five numbers is 16. If one number is excluded the average becomes 15. The excluded number is Pick.
A) 20
B) 40
C) 55
D) 65
E) 67
Explanation:   Number is (5*16) - (4*15) = 80-60= 
<gadget id="calculator">80-60</gadget>
<output>20</output>
20   20nswer: Option 20
<result>A</result>
Average of five numbers is 16. If one number is excluded the average becomes 15. The excluded number is