For the following questions answer them individually
An alloy contains copper, zinc and nickel in the ratio of 3 : 2 : 5 respectively. What quantity of nickel (in kg) must be added to 100 kg of this alloy to have the new ratio of copper, zinc and nickel 3 : 2 : 6 respectively?
A trader allowed a discount of 20 percent on a trolley bag having list price of Rs. 4296 and earns a profit of 20 percent. What is the cost price of the trolley bag?
The average of 15 results is 52. If the average of first 8 results is 56 and that of the last 8 results is 55, then what will be the value of 8th result?
Profit obtained on selling an article for Rs. 600 is equal to the loss incurred on selling the same article for Rs.400. If selling price is Rs. 750, then what is the profit percentage?
A alone can do a work in 4 days, which B alone can do in 6 days. In how many days they together can do it
The table given below shows the marked price and selling price of 6 articles.
Discount = Marked price - Selling price
J1 = The value of average of discount of article A1, A2, A3 and A4.
J2 = The difference between marked price and selling price of all articles.
What is the value of (J2 - J1)?
If the area of non-spherical portion of a solid hemisphere is 1560 m$$^2$$, then the total surface area of the hemisphere is: