પાંચ સંખ્યાઓનો મધ્યક 18 છે. તેમનો સરવાળો કેટલો થાય?
A95
B85
C80
D90
Answer & Solution
Correct answer: D. 90
સરવાળો બરાબર મધ્યક ગુણ્યા સંખ્યા, તેથી 18 x 5 = 90.
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