Question
Which law is violated if two bodies in mutual
gravitational interaction exert unequal forces on each other?Solution
Newton's third law states that for every action, there is an equal and opposite reaction.
Twenty laborers can complete a piece of work in 12 days. If 20 laborers started working and after 3 more days, additional laborers joined to complete th...
4 girls together are as efficient as one man. If 32 girls can complete 40 garments in 5 days, how many men are needed to complete the same work in 2 days?
‘A’ can do a piece of work in 15 days. ‘B’ can do 80% of the same work in 20 days. If they work together for the entire time and get paid Rs.140...
Elvish is 10% more efficient than Fatima. Elvish completes typing 198 pages in 18 hours. Find how many pages Fatima can type in 5 hours.
A, B, and C together can do a piece of work in 28 days, whereas C alone can do the same work in 42 days. How long will A and B take together to finish it?
Team A can built a project in 6 hours less than the time taken by Team B to built the same project.
The ratio of the strength of Team A to that o...
Eight men and five boys together earn ₹3,240 in 6 days. Meanwhile, three men and two boys working together take 12 days to earn ₹2,484. How many day...
Efficiency of A and B are in the ratio of 2 : 3. If both can do a work together in 60 days. Find out how much days A will take to complete the work alone?
A and B individually can complete the work in 30 days and 45 days respectively. If the time taken by C alone to complete the work is 1.5 times the time ...
A 210 litres mixture contains only water and phenyl in the ratio 3:2, respectively. If 60 litres of this mixture is replaced with 100 litres of alcohol,...
