πΊππ£ππ:
π, π πππ π
π‘πππ 18, 15 πππ 10 πππ¦π πππ ππππ‘ππ£πππ¦
Solution:
As we know the efficiency is the inversely proportional to the time.
Thus, the efficiencies of P, Q and R = 1/18 : 1/15 : 1/10
LCM of 18, 15 and 10 = 90
= 90/18 : 90/15 : 90/10
= 5 : 6 : 9
Therefore, the correct answer is (c).
English
100 Questions
100 Marks
90 Mins English English100 Questions100 Marks90 Mins English English100 Questions100 Marks90 Mins EnglishIn an NSS college camp, there is food provision for 350 students for 40 days. If 50 more students join the camp, then for how many days will the provision last?
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