Question
In how much time will a train running with a speed of 72
km/hr cross the second train? Statement I:  The length of the two trains is 80 metres and 100 metres respectively. Statement II:  The speed of the second train is 60 km/hr. For each of the following questions statements I and II are given. Use the data of those statements and then determine which of the following statements is necessary to answer the question:Solution
Since, we do not know the direction in which the two trains are running, we cannot answer the question. Therefore, the statement I and II are not sufficient to answer the question.
A is four times as efficient as B and can finish a piece of work in 33 days less than B. B can finish this work in how many days?
Pawan completes 40% of a task in 6 days. His efficiency is 100% greater than Qureshi's. How many days will it take for both Pawan and Qureshi, working t...
The ratio of time taken by P, Q and R to complete work alone is 4:6:3 respectively. If all three together complete the work in 8 days, then find in how ...
Pooja can complete a task in 45 days and Kavita in 30 days. A third person, Mehul, is 20% more efficient than both of them combined. How many days will ...
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find ...
Anil and Ashish receive Rs.1500 for work of 5 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
The ratio of time taken by P, Q and R to complete work alone is 6:8:3 respectively. If all three together complete the work in 5 days, then find in how ...
12 man can make a wall in 5 days. How many men required to complete the same work in 6 days ?
A can complete a work in 18 hours while B can complete it in 12 hours. If C is 80% more efficient than A and B together, then find the time taken by C a...
‘A’ alone can complete a work in 40 hours. ‘A’ started the work alone and left after working on it for 20 hours. If ‘B’ completed the rest o...