If ` a lt b lt c lt d ` and a , b , c , d are non-zero integers , the mean and median of a , b , c , d is 0 , then which of the following is correct ?
A. `b = -c `
B. `a = -d `
C. Both (a) and (b)
D. None of these
A. `b = -c `
B. `a = -d `
C. Both (a) and (b)
D. None of these
Correct Answer – c
Average = `(“Sum of the quantities”)/(“Number of the quantities”)`