Question
The diameter of a circular field is equal to the side of
a square field. If the total cost of fencing the circular field is Rs. 308 at the rate of Rs.14/m, what is the perimeter of the square fields?Solution
Let the diameter of circular field is 2r, and radius = r Acoording to question, 2 x (22/7) x r = 308/14 2 x (22/7) x r = 22 r = 3.5 m Diameter =2r = 7 m Perimeter of square field = 4 x 7 = 28 m
Find the number of ways to arrange each letter of the word 'COMMITTEE' such that all the vowels always come together.
Form all possible words from ASSESSMENT with the condition that the vowels are always together. How many are there?
A box contains 2 blue, 3 black and 5 orange balls. In how many ways can 3 balls be drawn from the box, if at least 1 black ball is to be included in the...
How many 4-digit even numbers can be formed using digits 1, 2, 3, 4, 5, 6 without repetition?
- Eight books out of which 4 are part of a series and the remaining are standalone books are to be arranged on a shelf. Find the number of arrangements in wh...
How many 4-digit numbers can be formed using digits 1 to 6 without repetition, such that the number is even?
Find total number of ways in which the word “SUCCESSFUL” can be arranged.
History books are always together and also Geography books are always together?
- Seven balls out of which 4 are red and the rest are green are to be arranged in a row. Find the number of arrangements in which all four red balls are not ...
11 people decided to spend an afternoon in two groups. A group of them decided to go to the theater and the remaining decided to play tennis. In how man...
Relevant for Exams:
