Question
The raw material cost of an article is 1/3Â of its
manufacture cost. If the cost of manufacturing is decreased in the ratio of 4 : 3 and the cost of its raw material is increased in the ratio of 4 : 5, then overall cost of article reduced by Rs. 16. Find out its initial cost?Solution
If the length of a rectangle is increased by 10% and the area is unchanged , then its corresponding breadth must be decreased by?
...In an election there are a total of 4,000 registered voters out of which x% of voters did not cast their votes and 180 votes are declared invalid. The w...
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A and B are two numbers. Their average is 360, and the sum of A and B is 140% of A. What percentage of A is the difference between A and B?
‘X’ owns 40% less pens than ‘Y’. ‘Y’ owns 50% more pens than ‘Z’. By what percentage are the pens with ‘X’ less than those with ‘Z...
In a city, the number of persons travelling by bike is 65% the number of persons travelling by metro. The number of persons travelling on foot is 80% th...
If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the s...
 In a group of 100 people, 70 like coffee, 50 like tea, and 30 like both coffee and tea. How many people in the group do not like either coffee or tea?...
- In a school election, two students contested for the position of head boy. The winner got 60% of the votes and won by 800 votes. Calculate the number of vo...
In a given years, A sold 1200 caps while B sold 20% more number of caps than A and C sold 10% less number of caps than B. Find the ratio between the num...
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