alleryपाइप P, पाइप Q की तुलना में तीन गुना तेजी से भरता है, और दोनों मिलकर एक टंकी को 12 मिनट में भरते हैं। अकेले Q को कितना समय लगेगा?
A36 मिनट
B48 मिनट
C42 मिनट
D60 मिनट
Answer & Solution
Correct answer: B. 48 मिनट
दरें 3x और x होने पर 4x = 1/12 प्राप्त होता है, अतः x = 1/48 और अकेले Q को 48 मिनट लगेंगे।
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