Range is the measure of difference between
Range is defined as the difference between largest and smallest observation.
'P' allocates 25% of his income to rent and then spends 40% of the remaining amount on food and travel. After these expenses, he spends Rs. 5600 on misc...
After increase in the price of coffee by 15%, a person is able to buy 3 kg less for Rs. 1,840. Find the original and increased price of the coffee per kg?
A man invested all his current month income in starting of a new business in which he spends 25% in advertisement 20% of remaining in furniture 10% of r...
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 40000 which is 4 times the monthly income of ‘C’. If ‘A’ spends 30% of his...
Ajay spent 30% of his monthly income on rent and 44% of the remaining on food and the rest amount is saved by him which is Rs. 2548, then find the month...
In a job fair, 50% of the people are graduates, one fifth of them are post graduates and rest are double graduates. If three-fourth of the graduates, 60...
In an office with 400 employees (comprising both men and women), preferences for either 'Tea' or 'Coffee' exist. The number of men who like 'Tea' to tho...
When a train starts it is carrying 320 passengers. At the first station 12 passengers got down and 42 passengers get into the train. At the second stati...
In a zoo, 25% of the people are males. 40% of the remaining are females and the remaining 720 are children’s. Find the total number of people in a...
The population of a city is decreased by 15% in the first year and then increased by 20% in the second year. Find the population of the city at the end...
