The length of a rectangular field is thrice its breadth. If the cost of cultivating the field at Rs. 367.20 per square meter is Rs. 27,540, then what is the perimeter of the rectangle?
At each corner of a square park with side equal to 40 m, there is a flower bed in the form of a sector of radius 14 m. What is the area of the remaining part of the park?
In how many different ways, can the letters of the word ‘CRISIS’ be arranged ?
Ajay spends 25% of his salary on house rent, 5% on food, 15% on travel, 10% on clothes and the remaining amount of Rs. 27,000 is saved. What is Ajay’s income?
The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers?
What should come in the place of question mark (?) in the number series given below?
25, 34, 52, 79, 115,?