Question
The instrument used to see the distant objects on the
Earth is βSolution
A telescope assists the eye chiefly in two way by enlarging the visual angle under which a distant object is seen, and thus magnifying that object; and. secondly, by collecting, and conveying to the eye, a larger beam of light than would enter the naked organ, thus rendering objects distinct and visible which would otherwise be indistinct and or invisible.
Abhay, Beer, and Tittu have individual work completion times of 12 days, 24 days, and 36 days, respectively. They Started working together on a task. Af...
βRβ and βSβ can together finish a job in 18 days. If βRβ alone can finish it in 30 days, how many days will βSβ alone take?
...A, B and C alone can complete a work in 30, 60 and 45 days respectively. All of them started working together but after 3 days from start A left the job...
A task can be completed in 15 days when Akash and Bittu work together. Akash is 30% more efficient than Bittu. If both started the task separately and A...
138 unit of work can be completed by P alone in 23 days. P started working alone and joined by Q after 11 days such that they completed the remaining wo...
Three pipes A, B and C can fill/empty a tank. A can fill it in 12 hours, B in 15 hours, and C can empty a full tank in 20 hours. All three pipes are ope...
15 men can finish a work in 16 days by working 6 hours a day. How many more men are needed to finish the work in 10 days by working 8 hours a day?
X and Y together complete a job in 18 days, while Y alone can do it in 30 days. The ratio of efficiencies of X and Z is 4:5 respectively. What is the ra...
A, B, and C together can do a work alone in 14 days, 56 days, and 70 days respectively. A alone starts the work and work for 3 days and leaves the work,...
A contractor hired 50 workers to complete a work in 80 days. After 50 days, it was found that only 1/4th of the work was completed. Find the number of e...