Question
A tank is normally illed in 8 hours but takes another 2
hours longer to ill because of a leak in its bottom. If the tank is full, the leak will empty it in how many hours?Solution
Time taken to fill the tank with the leak = 8 + 2 = 10 hours Let the capacity of the tank be 40 units Efficiency of filling without leak = 40/8 = 5 units/hour Efficiency of filling with leak = (40/10) = 4 units/hour Efficiency of leak = 5 β 4 = 1 unit/hour Required time taken = (40/1) = 40 hours
Answer the questions based on the information given below.
Seven persons Suresh, Manav, Vinita, Krisha, Harsh, Gargi and Varun are in the famil...
There are five members T, U, V, W, and Y in the family. V is married to Y. Tβs mother is daughter of U. W and T are male members. Y is brother of W. H...
Eight persons P, Q, R, S, T, U, V and W are from two generations and four married couple. V and T are married couples. P is father in law of U, who is s...
How many male members are there in the family?
How is R related to N?
Which of the following is definitely false?
Which among the following statement is definitely incorrect?
How is W related to T?Β
Answer the questions based on the information given below:
There are seven members D, E, F, G, H, I, and J in a family of three generation. E i...
How is P related to Q?