allery1,200 વિદ્યાર્થીઓની એક શાળામાં છોકરાઓ અને છોકરીઓનો ગુણોત્તર 7 : 5 છે. તો છોકરીઓ કરતાં છોકરાઓ કેટલા વધારે છે?
A200
B250
C100
D150
Answer & Solution
Correct answer: A. 200
એક ભાગ 100 છે, તેથી છોકરાઓ 700 અને છોકરીઓ 500 થાય, જેનો તફાવત 200 છે.
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