For the following questions answer them individually
The area of a circle is equal to the area of a rectangle with perimeter equal to 35 metres and breadth equal to 5.5 metres. What is the area of the circle?
In an examination the maximum aggregate marks that a student can get are 1020. In order to pass the exam a student is required to get 663 marks out of the aggregate marks. Shreya got 612 marks. By what percent did Shreva fail in the exam ?
Sujit incurred a loss of 45 percent on selling art article for Rs. 3,740. What was the cost price of the article ?
A 480 metre long train crosses a platform in 140 seconds. What is the speed of the train?
The compound interest accrued in 2 years on a principal of Rs. 16.250 is Rs. 5.616. What is the rate of interest p.c.p.a, ‘?
The average height of 21 girls was recorded as 148 cms. The teacher’s height was added and the average increased by one. What was the teacher’s height?
Mehul sold an item for Rs. 5.025 and incurred a loss of 25% At what price should he have sold the item to have gained a profit of 25% ?
Out of the fractions3/5, 7/9, 4/7, 2/3, and 5/8 what is the difference between the largest and smallest fractions ?