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According to question, => a2= 576 => a = 24 cm Perimeter of a square is equal to perimeter of a rectangle and length of rectangle is two times that of breadth, => 4a = 2(2b + b) => 4× 24 = 4b + 2b => 96 = 6b => b = 16 cm Now, length = 32 cm Therefore, Area of rectangle = 32 × 16 = 512 cm2.
If average of first 9 numbers is (n – 50) and the sum of remaining number is 1620. Find the value of ‘n’, if the average of 21 numbers is ‘n’....
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
A car covers a distance of 60 km at a consistent speed. If the car's speed is increased by 8 km/h, it would take 2 hours less to travel the same distanc...
Average weight of 15 nurses is 50 kg. If the weight of one more nurse is included, then average weight is increased by 1 kg. Find the weight of the newl...
In a World Cup match, the average runs scored by Virat Kohli in his first 8 matches are 28. What should be his average score in the next two matches for...
The average cost of 3 chairs is Rs. 10000. The average cost decrease by 22% when one more chair is included. What is the cost price of the 4th
A number is such that when it is multiplied by 5, it gives another number which is as much above from 270 as the original number (itself) is below 270. ...
In an examination the average marks of Rohit is 62. If he got 19 more marks in science and 26 more marks in maths then his average would have been 67. F...
A kiosk has different brands of chips. 70% of the stores' sales are from selling potato chips. 30% of the sales are from 3 other chips and wafers. Every...
The average of three distinct numbers is 124. The average of the smallest and the largest of these numbers is also 124, with the smallest number being 2...
