allery50 विद्यार्थियों की एक कक्षा में 60% लड़कियां हैं। लड़कियों की संख्या कितनी है?
A25
B30
C35
D40
Answer & Solution
Correct answer: B. 30
50 का 60% = 50 * 0.60 = 30 लड़कियां।
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