Subject
Quantitative Aptitude
Topic
Average
If the average of z and x is 35, and the average of x and y is 25, Then z – y =?
If the average of z and x is 35, and the average of x and y is 25, Then z – y =?
ক)
5খ)
10গ)
20ঘ)
30Explanation
(z + x)/2 = 35 z + x = 70 .................... (1) And, (x + y)/2 = 25 x + y = 50 ................. (2) (1) - (2), we get, z - y = 70 -50 = 20Related questions
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