Question
The diagram represents the number of students studying
different subjects. What is the number of students who study both Hindi and Chemistry?Solution
The number of students who study Hindi and Chemistry = 16 + 4 = 20
P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P&Q and R together work on a job, in what ratio should they s...
- Neha and Seema can finish a work in 10 days and 25 days, respectively, when working alone. Neha started the work. After how many days should Seema join to ...
P, Q, and R can do a project individually in 10, 25, and 20 days. P and Q begin the project, but after 2 days, P is replaced by R. How many more days wi...
The time taken by ‘A’ to build a wall alone is 45% more than the time taken by him to build it along with ‘B’. ‘B’ will take how much percen...
Akhil and Nikhil together can complete a work in 12 days while Nikhil alone takes 18 days to complete 25% of the work. If the efficiency of Sachin is 20...
Anita and Binita have individual completion times for a task; Anita can complete it in 40 days, while Binita can do it in 56 days. Anita initiated the t...
(x + 3) workers complete 50% of work in 4 days at 5 hours/day. (x + 1) workers finish the rest in 5 days at 6 hours/day. Find x.
20 boys can dig a pit in 15 days, while 5 men can dig the same pit in 6 days. In how many days will 10 boys and 1 man together dig the pit?
A can complete a work in 18 days and B in 24 days. They work together for 4 days, then C (who alone can complete the work in 36 days) joins them. Find t...
A can finish a piece of work in 10 days and B can finish it in 15 days. If both work together, in how many days will the work be completed?
Relevant for Exams:
