For the following questions answer them individually
I read $$\frac{3}{8}$$ of a book on one day and $$\frac{4}{5}$$ of the remainder on another day .If there were 30 pages unread now ,how many pages did the book contain?
The work done by (x - 1) men in (x + 1) days and the work done by (x + 1) men in (x + 2) days are in the ratio 5 : 6 . x is
A contractor under took to build a road in 100 days .He employed 90 men .After 40 days ,he found that $$\frac{1}{3}$$ could be built .Inorder to complete the work in time ,the number of more men to be employed is
A dealer purchased a washing machine for 7,660. After allowing a discount of 12% on its marked price, he still gains 10%. Find the marked price of the washing machine
A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 12%. The rate of discount is
A box filled with paper bundles weighs 36 kg. If the weight of the box and paper bundles respectively are in the ratio of 3 : 22, then the weight of the papers in grams is
Two numbers are such that the square of one is 224 less than 8 times the square of the other. If the numbers are in the ratio of 3 : 4, then their values are