alleryପାଇପ୍ ଗୁଡ଼ିକ 12 ଏବଂ 18 ମିନିଟରେ ଏକ ଟାଙ୍କି ପୂର୍ଣ୍ଣ କରନ୍ତି। ଉଭୟଙ୍କୁ 6 ମିନିଟ୍ ପାଇଁ ଚଲାଯାଏ। ପୂର୍ଣ୍ଣ ହୋଇଥିବା ଭଗ୍ନାଂଶଟି ହେଉଛି
A5/6
B1/2
C3/4
D2/3
Answer & Solution
Correct answer: A. 5/6
ମିଳିତ ହାର ହେଉଛି 1/12 + 1/18 = 5/36, ଏବଂ 6 ମିନିଟ୍ ରେ 30/36 = 5/6 ମିଳେ।
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