Question
The sum of eight consecutive even numbers of set-A is
416. What is the sum of five consecutive numbers of another set whose lowest number is 18 more than the mean of set –A?Solution
Average of set A = 416/8 = 52 Minimum number of another set = 52 + 18 = 70 ∴ Required sum = 70 + 71 + 72 + 73 + 74 = 360
Two persons A and B started working for a company in similar jobs on January 1, 1990. A's initial monthly salary was Rs 400, which increases by Rs 50 af...
A person saves 30% of his monthly income. If his monthly is increased by 45% and he still saves the same amount as before then find percentage increase ...
The value of A’s car is depreciating by 25% every year whereas the value of his house is appreciating by 17% each year as compared to the previous yea...
In a small town, 50% of the people like fishing, 70% like hiking, and 30% like both. If the remaining 21 people don't like either activity, how many peo...
 If the price of sugar increases by 40%, by what percentage should a family reduce its sugar consumption so that the family's expenses do not increase?...
In a city, the number of persons travelling by bike is 70% the number of persons travelling by metro. The number of persons travelling on foot is 50% th...
Radha purchase 6 black and some white balloons. The price of Black balloon is 5/2 of the price of the price of white balloon. At the time of making the ...
Monthly income of P is Rs.19000 and his monthly savings is Rs.9500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 20...
- During a college election, two students were in the fray. The one who received 75% of the valid votes won by a difference of 2250 votes. Determine the numb...
In an examination, Aman secured 40% more marks than Bittu, while Bittu scoredÂ