alleryदेव एशा परस 50% चड कार्यक्षम आसा, जो एकटोच 30 दिसांनी एक काम पुराय करता. देवाक एकल्याक जाय
A15 दीस
B45 दीस
C25 दीस
D20 दीस
Answer & Solution
Correct answer: D. 20 दीस
देवाचो दर 1.5 x 1/30 = 1/20 दर दिसा आसा, देखून ताका 20 दीस जाय.
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