2 large and 1 small pimps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. How many hours will it take for 3 large and 4 small pumps to fill the
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
Solution
Correct Answer: Option A
অ্যাপ/ওয়েবসাইটে রুটিনভিত্তিক নিয়মিত লাইভ পরীক্ষা হচ্ছে।