For the following questions answer them individually
A dealer allows his customers a discount of 25% and still gains 25%. If an article costs ₹1600 to the dealer, then its marked price (nearest to one rupee) is:
Two bottles A and B contain diluted acid. In bottle A, the amount of water is double the amount of acid while in bottle B, the amount of acid is 3 times that of water. How much mixture(in litres) should be taken from each bottle A and B respectively in order to prepare 5 liters diluted acid containing equal amount of acid and water?
A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?
The numbers of visitors every hour in a shop from 1 p.m. to 8 p.m. on Monday were recorded as 7, 10, 15, 22, 6, 4 and 13. The arithmetic mean of visitors is:
Select the most appropriate option to substitute the underlined segment in the given sentence.If there is no need to substitute it, select No substitution required.
Water and minerals presented to the soil are absorbed by the roots.
Select the word which means the same as the group of words given.
One who knows every thing
