Average of a and b is 36. Average of b and c is 42. What is the difference between c and a?
Answer & explanation
Correct answer: option 2
Sum of ,
a + b = 2 × 36 = 72
b + c = 2 × 42 = 84
Difference of a & c = 84 - 72 = 12
Average of a and b is 36. Average of b and c is 42. What is the difference between c and a?
Correct answer: option 2
Sum of ,
a + b = 2 × 36 = 72
b + c = 2 × 42 = 84
Difference of a & c = 84 - 72 = 12