alleryపైపు A ఒక తొట్టిని 4 గంటల్లో మరియు పైపు B 12 గంటల్లో నింపగలవు. ఒక గంటలో రెండూ కలిసి ఎంత భాగాన్ని నింపుతాయి?
A1/6
B1/8
C1/16
D1/3
Answer & Solution
Correct answer: D. 1/3
ఒక గంటలో అవి 1/4 + 1/12 = 3/12 + 1/12 = 4/12 నింపుతాయి, ఇది 1/3 అవుతుంది.
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