In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and Give answer :
I. $$2x^{2} - 17x + 36 = 0$$
II. $$2y^{2} - 19y + 44 = 0$$
I. $$3x^{2} + 20x + 25 = 0$$
II. $$3y^{2} + 14y + 8 =0$$
I. $$3x^{2} + 5x + 2 = 0$$
II. $$3y^{2} + 18y + 24 = 0$$
For the following questions answer them individually
A seller marks the price 50% above the cost price and gives a 10% discount on an item. While selling, he cheats the customer by offering 20% less weight. What is the approximate value of the overall profit per cent?
There are 81 litre pure milk in a container. One Âthird of milk is replaced by water in the container. Again oneÂthird of mixture is extracted and equal amount of water is added. What is the ratio of milk to water in the new mixture ?
A is 2 years older than B while B is 3 years younger than C. The ratio of age of A, 6 years hence and B, 2 years ago is 5:3. What was age of C, 6 years ago ?
A, B and C started a business with their investments in the ratio 1 : 2 : 4. After 6 months, A invested the half amount more as before and B invested same the amount as before while C withdrew 1/4th of his investment. Find the ratio of their profits at the end of the year.
The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average ?
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