Question
If a tank can be filled by a tap in 16 hours, but due to
an outlet, it actually takes 4 hours longer to fill the tank, find the duration in which the outlet alone would empty the tank?Solution
Let tap ‘A’ fill the tank and tap ‘B’ empty the tank. Taking LCM of 16 and 20 = 80 Efficiency of A = 5 Efficiency of (A – B) = 4 Efficiency of B = 5 – 4 = 1 Tap B will empty the tank = 80/1 = 80 So, tap B will empty the tank in 80 hours.
Which country recently launched its ballistic missile system named “Jihad”?
In India, if a religious sect/community is given “the status of a national minority, what special advantages is it entitled to?
1. It can estab...
If 6 * 7 = 2, 3 * 5 = 5, 5 * 8 = 0, then what will be the value of 6 * 8 ?
Depreciation of fixed assets is an example of
According to a certain code
* means 'greater than'
+ means 'less than'
÷ means 'equal to'
% means 'plus'
...
A copy of the famous 16" century art work Salvator Mundi, which was reportedly stolen, has recently been recovered by the Police in Italy. The painting ...
Fill in the blank with suitable form of verb.
It’s cold in Delhi: icy winds ________ minimum temperature below 5 degrees Celsius, cold wave to ...
Which one of the following sources states that Srinagar was built by Ashoka?
Consider the following statements: According to Census 2001
1. The literacy rate increase for males is more than that of the females during la...
Three numbers are given such that when the average of any two numbers is added to the third number, the resulting sums are 190, 185, and 180. Determine ...