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' गति से जा ' के स्थान पर ' गति से हो रही है ' शब्द का प्रयोग होगा। शुद्ध वाक्य होगा - ' विकास दर एक ऐसा आर्थिक पैमाना है जिससे पता चलता है कि देश में तरक्की किस गति से हो रही है। '
Time taken by A and B together to complete a work is 1 day less than the time taken by B alone to complete the same work. With his half efficiency B can...
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...
A certain number of students can complete the assignment together in 12 days. All of them started the assignment together, but 20 students left the assi...
Raj, Sanjay and Vaibhav can separately finish a work in 20, 30 and 40 days, respectively. In how many days Raj can finish the work if he is assisted.by ...
With P starting the work, working on alternate days, P and Q can finish a work in 17 days. If Q works on the first day and Q and P work alternately, the...
A can complete a job in 20 hours. B alone can complete the same job in 15 hrs. A work for 9 hrs and then the remaining job is completed by B. How many h...
Vijay can do a piece of work in 34 days and Sanjay can do the same work in 51 days. If Vijay works for 5 days and got Rs. 1650, and the remaining work w...
40 men take 15 days to finish some work. If the work is to be finished in 8 days, then how many additional men should be hired?
A work can be completed by ‘A’ and ‘B’, alone in 15 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
12 children and 18 men complete an artwork in 9 days. Each child takes twice as long as a man to finish the artwork. How many days will it take for 18 m...