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Three pipes A, B, and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When tank is empty, all three pipes are opened. A, B and C discharge chemical solution P,Q and R respectively. What is proportion of solution R in liquid in tank after 3 minutes ?


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Two numbers are respectively 20% and 40% more than a third number. The ratio of the two number is :

Three pipes A, B, and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When tank is empty, all three pipes are opened. A, B and C discharge chemical solution P,Q and R respectively. What is proportion of solution R in liquid in tank after 3 minutes ?

तलका चित्रहरुको एक लहर दिइएको छ । तिनिहरु निश्चित क्रममा रहेका छन् । दिइएको १,२,३,४, विकल्पहरु मध्येवाट प्रश्नमा दिइएको अन्तिम चित्र पछि आउने उपयुक्त छान्नुहोस ।
तलका चित्रहरुको एक लहर दिइएको छ । तिनिहरु निश्चित क्रममा रहेका छन् । दिइएको १,२,३,४, विकल्पहरु मध्येवाट प्रश्नमा दिइएको अन्तिम चित्र पछि आउने उपयुक्त छान्नुहोस ।\r\n

Three pipes A

B

and C can fill a tank from empty to full in 30 minutes

20 minutes and 10 minutes respectively. When the tank is empty

all the three pipes are opened. A

B and C discharge chemical solution P

Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes ?

Nayab Subbha Mcqs

Nayab-Subbha