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Q.54 The average of a students in the first 50 test is p and his
average of the next 10 series is q. If his overall average is (p
+2 ). then what is q in terms of p?
(A)p+6 (B)p+8 (C) p + 10 (D) p + 12
Answers
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0
Answer:
Option (D)
Step-by-step explanation:
Average of 50 tests = p
Average of next 10 tests = q
Average of 60 tests (50+10) = p +2
60(p+2) = 50 p + 10q
60 p + 120 = 50 p + 10q
10p + 120 = 10q
p+12 = q
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