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ratul and pratual together can complete a task in 18 days they start the task together but ratul had to leave in 7 days before the work got over as a result it took of 23 days to complete the task how many days would it have taken parul to complete the work by himself

Ram sold an article after giving X% discount and earned a profit of 40%. Had he sold the article after giving 2x%discount, he would have earned
a profit of 5%. What would be the approximate profit percent If he sells the article after giving a discount of 25% ?

A man purchase 5 horses and 10 ciw for rs 10000. He sells horses at 15% profit and the cows at 10% loss.
thus he gets Rs 375 as profit.
Find the cost of 1 horse and 1 cow separately?.

Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is

How to find the integral sides of a triangle?

In the video for altitude,inradius & circumradius (geometry-triangles), the last example states that since tri.APQ~tri.ABC smaller radius:larger radius =1/3. But acc to theorem AP/AB=AQ/AC=PQ/BC=AR/AD=1/3.How can the radius be calculated?

14 15 23 50 114 ?

how can i improve score in english

Madam, I have NC OBC certificate as dated: 18.11.2015. Now is it valid for application? Can I upload this document?

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