Question
Which part of the human eye is responsible for focusing
light?Solution
The lens helps focus light onto the retina to form a clear image.
A is twice as efficient as B and can finish a piece of work in 22 days less than B. B can finish this work in how many days?
Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-...
Komal and Seema individually can complete a task in ‘3a’ hours and ‘5a’ hours respectively. If they together can complete (4/5)th of the work in...
- Sneha alone can type a report in 14 days, while Reena can do it in 21 days. If both work together and earn Rs. 14,700 for the job, how much will Reena get?
‘A’ and ‘C’ together can dig a hole in 8 hours while ‘A’, ‘B’ and ‘C’ together can dig the same hole in 6 hours. Find the time taken...
Anmol can do a piece of work in 30 days, Bineet can complete double the work in 90 days and Chintu can do the work in 60 days. If all of them jointly ge...
Ratio of the work done by P, Q and R in one day is 8:5:9 respectively. They all together can complete the work in 40 days. Q and R worked on it for 32 d...
‘A’ and ‘B’ can do a piece of work in 12 days and 24 days, respectively. They started working together but ‘A’ left after 4 days. Find the t...
Working together, Amit and Pawan can finish a task in 22.5 days, and Pawan and Chirag can complete 60% of the same task in 14.4 days. Given that Amit is...
P’s 3 days work is equal to Q’s 4 days work. If P and Q together can complete the work in 32 days then how much time Q will take to complete 75% of ...
