Subject
Bank Exam
Topic
Mercantile Bank Ltd. MTO 2013
If the average of 7, 13, p and q is 17, what is the average of (p+11) and (q-9)?
If the average of 7, 13, p and q is 17, what is the average of (p+11) and (q-9)?
ক)
50খ)
25গ)
21ঘ)
14Explanation
(7+13+p+q)/4= 17 or, p+q = 68 - 7-13 or, p+q = 48 Thus, the average of (p+11) and (q-9) is: [(p+11) + (q-9)]/2 = [p+11+q-9]/2 = [p+q+11-9]/2 = [p+q+2]/2 = [48+2]/2 =50/2 = 25Related questions
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