Question
Which one of the following substances, when added to
water, will not change the pH ?Solution
The correct answer is D
5 girls can do a piece of work in 9 days, 4 boys can do the same piece of work in 8 days, 6 men do the same piece of work in 2 days and 4 women can do t...
'B' is 20% more efficient than 'A.' 'A' began working on a task alone and continued for 8 days, after which 'B' took over and completed the remaining wo...
Vijay can do a piece of work in 32 days and Sanjay can do the same work in 48 days. If Vijay works for 2 days and got Rs. 960, and the remaining work wi...
28 men can complete a work in 20 days. 40 women can complete the same work in 28 days. 20 men and 12 women started working and after 16 days, 20 more wo...
12 engineers complete designing 180 blueprints in 15 days. If the goal is to complete 270 blueprints in 18 days, how many engineers are required?
15 people can paint a house in 5 days using 15 paintbrushes. In how many days can 10 people paint the same house using p paintbrushes?
24 men can complete 3/5 part of a work in 8 days working 9 hours a day. How many women can complete rest of the work if they work for 8 hours a day for ...
A task can be completed in 10 days by a team of 6 men and 8 boys. The same task can also be completed in 2 days by 26 men and 48 boys. How long will it ...
A, B and C can complete the whole work in 20 days. A starts the work and works for ‘x’ days while B and C complete the remaining 3/5 of the ...
‘A’ and ‘B’ can complete a certain work in 10 days and 15 days, respectively. They started working together and worked till completion of the wo...
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