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Aqua regia is a mixture of 3 parts hydrochloric acid (HCl) and 1 part nitric acid (HNO₃), used to dissolve noble metals like gold and platinum.
'A' and 'B' alone can complete a work in 9 days and 18 days, respectively. Find the time taken by them to complete the work if they work on alternate da...
A work can be completed by ‘A’ and ‘B’, alone in 20 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
A buffalo alone can plough field ‘A’ in 50 days. A Bull alone can plough the field ‘A’ in 75 days. Find the number of days taken by 1 bulls and ...
The speeds of Vishank and Karun are 60 km/hr and 90 km/hr. Initially, Karun is at a point P and Vishank is at a place Q. The distance between P and Q i...
A 250 litres mixture contains only water and phenyl in the ratio 3:2, respectively. If 60 litres of this mixture is replaced with 90 litres of alcohol, ...
If 16 men working 16 hours a day can make 16 quilts in 16 days, then in how many days 32 men working 32 hours per day will make 32 quilts?
35 people working 7 hours a day take 22 days to complete a task. How many people working for 6 hours a day are needed to complete five times the given t...
Akhil and Nikhil together can complete a work in 10 days while Nikhil alone takes 20 days to complete 40% of the work. If the efficiency of Sachin is 25...
It takes a team of either 20 boys or 35 girls, 27 days to achieve a sales target. How many days will it take for a team consisting of 21 boys and 42 gir...