If the average of 13, 15, and a is 16. Then a is
A4
B20
C18
D16
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Average mark of 8 students in the class is 91 when one more student is included the average decreased by 1 find the mark scored by the new student ?
The average marks in English subject of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and 61 of the actual marks 48, 59 and 67 respectively, then what would be the correct average?
ഒരു ഓഫീസിലെ തിങ്കൾ മുതൽ ശനി വരെയുള്ള ശരാശരി ഹാജർ 43 ആണ് . ആദ്യത്തെ 5 ദിവസത്തെ ശരാശരി ഹാജർ 41 ആയാൽ ശനിയാഴ്ചത്തെ ഹാജർ എത്ര?
The average of 40 observations is 50 and the average of another 60 observations is 55. The average of all observation is
The average of two numbers A and B is 20, that of B and C is 19 and C and A is 21. What is the value of A?