Question
There are two inlet pipes 'P', 'Q' and one outlet pipe 'R'
in a tank. ‘P’ and ‘Q’ can fill the tank in 20 minutes and 10 minutes respectively. ‘R’ is 50% less efficient than ‘P’. If ‘P’ and ‘R’ are open together but after 10 minutes, ‘P’ is replaced with ‘Q’, find the total time required to fill the tank completely.Solution
Tank capacity = 20x units (LCM of 20 and 10).
P = x units/min, Q = 2x units/min, R = 0.5x units/min
First 10 mins: (x - 0.5x) × 10 = 5x units
Remaining = 20x - 5x = 15x units
Net rate = 2x - 0.5x = 1.5x
Time = 15x / 1.5x = 10 minutes
Total time = 10 + 10 = 20 minutes
What is the primary aim of the Credit Assistance Program for Jan Aushadhi Kendras launched by the partnership between SIDBI and PMBI?
When did the Portuguese capture Goa from the Bijapur Sultanate?
In which year, Aligarh Muslim Anglo Oriental College was established?
Who has been given the title of ‘Raider of the Season’ in the 9th Pro Kabaddi League?
Match the following
The One-time password (OTPs) can be obtained by a customer, via which among the following?
When is International Light Day observed annually ?
Recently Air India has introduced a new policy which will give an extension of service to its selected pilots for how many years?
How does the PM-MKSSY contribute to economic growth?
Identify the hottest part of a gas flame.