If the average (arithmetic mean) of k and `k+7` is b and if the average of k and `k-11` is c, what is the sum of b and c?

Suppose that the average (arithmetic mean) of a, b and c is h, the average of b, c, and d is j, and the average of d and e is k. What is the average of a and e?

The average (arithmetic mean) of a, b, c, and d is 3 times the median. If 0ltaltbltcltd , what is a in terms of b, c, and d?

If 3k-7 is the arithmetic mean of 3k+4 and k+12 then the value of 2k+5

Average of three numbers k, c and d 1 more than average of a, k and c. Average of a and d is 19.5 Quantity I: Number 'a' Quantity II: 21

A train leaves Delhi at 4.10 P.M. and reaches Aligarh at 7.25 P.M. The average speed of the train is 40 km/hr. What is the distance from Delhi of Aligarh? 120 k m b. 130 k m c. 135 k m d. 140 k m

The average K.E. of hydrogen molecules at 27 °C is E. The average K.E. at 327 °C is

The average K.E. of hydrogen molecules at 27 °C is E. The average K.E. at 327 °C is

B is the only son of C who has no daughter. K is the wife of the grandson of C. What is B to K?

k=a-b+12,k=b-c-17,k=c-a+11 In the system of equations above, what is the value of k?