Like a camera, the human eye uses a convex lens system to form a small, inverted, real image of an object in front of it. Lens is the part of the eye having the largest refractive index.
‘A’ can complete a work in 18 days and is 10% more efficient than ‘B’. ‘A’ and ‘B’ start the work together, but ‘A’ leaves after 15 ...
A can fabricate a divider in 10 days , while B alone can assemble it in 12 days, If they construct it together and get an installment of Rs 2200, then f...
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...
A is twice efficient as B and B can do a piece of work in 40 days. B started the work and after a few days A joined him. They completed the work in 32 ...
Thirty men working 8 hours daily complete a task in 16 days. If the work increases to three times the original and needs to be fi...
A takes 30% longer to complete a task than B. If the total payment for the work is Rs. 11,500 and they complete the task together, how much should A be ...
Pipes ‘A’ and ‘B’ can fill a tank in 9 hours and 12 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then th...
'A' requires 16 more days to finish a task compared to 'B'. When 'A' and 'B' collaborate, they complete the task in 9 days fewer than 'B' would need to ...
25 men can complete a piece of work in 13 days. One man starts the work and after every day one more man joins the work and this continues till the work...
