On reducing the marked price of his goods by ₹28, a shopkeeper gains 20%. If the cost price of the article be ₹560 and it is sold at the marked pric...
In what ratio coffee at 285 Rs/kg should be mixed with the coffee at 320 Rs/kg so that after mixture its rate become 300 Rs/kg if the quantity of 1st ty...
If p = 50 - q - r and pq + r(q + p) = 816 then find the value of (p2 + q2 + r2) .
A petrol pump has a blend of 40 liters of petrol and diesel in the ratio of 5:3. After selling 16 liters of the mixture, 12 liters of petrol are added t...
How much soda should be mixed with 20 kg of sugar cost Rs.30/kg so that a gain of 20% can be made after selling the mixture at Rs.24/kg?
If a:b:c = (1/6) :(1/8) :(1/5) , and a + b + c = 236, then find the value of (c - a) .
In jar 1, 280litres of milk was mixed with 50 litres of water. Some of the mixture was taken out from Jar 1 and put into Jar 2. When 36 litres of milk ...
The perimeter of a square field is 10 cm more than the perimeter of a rectangle. The length of the rectangle is 60 cm which is 80% of its width. If a st...
38.182 - ? - 27.122 = 25.892
The difference between the present ages of a mother and her son is 32 years. Six years ago, the mother was 4 years younger than twice the present age of...
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