alleryP Q परस तीन पटींनी कार्यक्षम आसा, आनी एकठांय ते 15 दिसांनी सोंपतात. P फकत गरज आसा
A30 दीस
B20 दीस
C15 दीस
D45 दीस
Answer & Solution
Correct answer: B. 20 दीस
दर 3x आनी x, 4x = 1/15 म्हणून x = 1/60, आनी P च्या दर 3/60 = 1/20 म्हणल्यार 20 दीस.
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