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प्रत्यक्ष में प्रति उपसर्ग है।
X can do a piece of work in 30 days. He worked at it for 5 days and then Y finished it in 20 days. In how many days can X and Y together finish the work?
'A' alone can finish a job in 12 days. If 'A' is twice as efficient as 'B' who is 20% as efficient as 'C', then find the time taken to finish the job if...
Amisha is 50% more efficient than Khushi. Amisha started a work, worked for 'w' days and then Khushi replaced Amisha. khushi completed the remaining wor...
A certain Sales target was assigned to a team of men to complete in 18 days. But 8 men did not turn up for the target and the rest men complete the sale...
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...
'B' and 'C' in a team can complete a piece of work in 25 days and on other hand 'B' alone can do the same work in 40 days. If they started the work in...
Aman and Priya can paint a house in 20 days. Priya and Rina can paint the same house in 30 days, while Aman and Rina can paint it in 40 days. How many d...