SSC CPO PERCENTAGE QUANT QUIZ 4

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Question 1:

In a class, if 50% of the boys were girls, then there would be 50% more girls than boys. What percentage of the overall class is girls?

Question 2:

Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?

Question 3:

When the price of rice increased by 32%, a family reduced its consumption in such a way that the expenditure on rice was only 10% more than before. If 30 kilograms were consumed per month before, find the new monthly consumption.

Question 4:

If a certain weight of an alloy of silver and copper is mixed with 3 kg of pure silver, the resulting alloy will have 90% silver by weight. If the same weight of the initial alloy is mixed with 2 kg of another alloy which has 90% silver by weight, the resulting alloy will have 84% silver by weight. Then, the weight of the initial alloy, in kg, is

Question 5:

In a tournament, a team has played 40 matches so far and won 30% of them. If they win 60% of the remaining matches, their overall win percentage will be 50%. Suppose they win 90% of the remaining matches, then the total number of matches won by the team in the tournament will be

Question 6:

The salary of a man is Rs. 90000 per month from which he spends 20% on rent, 10% of remaining on bills, 20% of further remaining on miscellaneous expenses. From the remaining amount, man gives some money to his wife and rest he invests in mutual funds in the ratio of 7 : 2. Amount spent (in rupees) on rent is how much less or more than the amount invested in mutual funds?

Question 7:

If the numerator of a fraction is increased by 200% and the denominator is increased by 300%, the resultant fraction becomes 2192. What is the original fraction?

Question 8:

Difference between 40% of y and 20% of x is 300 whereas difference between 40% of x and 20% of y is zero. Find the sum of ' x ' and ' y ' ?

Question 9:

If the length and breadth of a rectangle are increased by 8% and 12% respectively, then by what percent will the area of that rectangle increase?

Question 10:

A and B both spend 30% of their income together which is equal to Rs. 26400. If income of A is 20% more than that of B, then find the income of B (in Rs.)?