The present ages of Chetna and Shikha are in the ratio of 5 :7respectively. After 7 years, their ages will be in the ratio of 11:14 respectively. What is the difference between their ages?
If the fractions 8/5,7/2,9/5,5/4,4/5 are arranged in descending orderof their values, which one will be fourth?
The length of a rectangular field is thrice its breadth. If the costof 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 aflower 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’ bearranged ?
The sum of three consecutive even numbers is 252. What is the sum ofthe smallest and the largest numbers?
