Question
A man goes downstream with a boat to some destination
and returns upstream to his original place in 5 hours. If the speed of the boat in still water and the stream is 10km/h and 4km/h respectively, the distance of the destination from the starting place isSolution
Let the speed of boat in still water =B and speed of stream =S B=10km/h, S=4km/h B+S=14km/h B-S=6km/h Let Distance =D km D/14+D/6=5 10D=210 D=21km
50 men takes 10 less days to do a work than 30 men takes time for same work. Find in how many days 15 men can complete the 2/5th of the work?
Anoop and Bheema, working individually, can complete a task in 16 days and 12 days, respectively. If they worked together and ear...
From a point 30 m away from the base of a building, the angle of elevation to the top of the building is 60°. Find the height of the building.
A shopkeeper bought two articles for Rs. 600 each. If he sold one of them at 40% profit and the other at 25% loss, then find the difference between the ...
'Symbian' is a_______
A shopkeeper marks an article 50% above the cost price and then gives two successive discounts of 20% and 10%. What is his overall profit or loss percen...
A group of 6 men and 5 women can finish a certain task in 8 days, while another group of 3 men and 15 women can complete the same task in 6 days. Now, 4...
Bank A's simple interest rate is 25% higher than Bank B's. A person wants to divide their savings between the two banks to earn the same amount of inter...
P gave out 'a' cookies to Q, R, S, and T. The cookies received by Q and S are in a 4:7 ratio, and those received by R and T are in a 2:3 ratio. If R rec...
Apache OpenOffice software includes which of the following components?
Relevant for Exams:
