The Value of $$ {\sqrt{6-\sqrt{17-2\sqrt{72}}}}$$ is closest to:

A shopkeeper sold sarees at Rs. 266 each after giving 5 % discount on labelled price. Had he not given the discount, he would have earned a profit of 12 % on the cost price. What was the cost price of each saree? 

$$ {a^2-b^2-2bc-c^2}\over{a^2+b^2+2ab-c^2}$$ is equal to

An article seller allows a discount of 10% on the marked price. He gets 30% commission from the publisher. What will be his profit percentage?

A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in 

12 kg of rice costing 30 per kg is mixed with 8 kg of rice costing 40 per kg. The average per kg price of mixed rice is

The profit on selling an article for Rs.1,100 is equal to three times the amount of loss on selling it for Rs.700. To gain 12.5%, the article must be sold for:

If 3 added to both the numerator and the denominator, the fraction becomes 10/11 when 4 is subtracted from both the 4 numerator and the denominator of the same fraction, it becomes ¾. What is the value of the fraction?