Question
The area of a circular garden is 616 m2. Find
its radius. (Take pi = 22/7)Solution
ATQ, Area A = pi × r2 616 = (22/7) × r2 r2 = 616 × (7/22) 616 ÷ 22 = 28 So r2 = 28 × 7 = 196 r = √196 = 14 m
- What number should be subtracted from both 36 and 28 so that the resulting numbers are in the ratio of 7:5?
Four friends A, B, C and D together have 240 pens. The number of pens with A is 1/4th the total number of pens with other three. Pens with B are 1/3rd o...
- What is to be subtracted from (13/20) so that the result is (7/25)?
In a factory of 50 labours, if the two labours left the job whose wages were 1120 and 1340 and two new labours join the factory which results in decreas...
120 is divided into two parts in such a way that the sixth part of the first part and the seventh part of the second are in the ratio 5 : 6. How much pe...
Find the value of 'a' in the given data if the mean of the given data is 21.
15, 18, 20, 19, 22, 24, 17, a, 25, 16
- Find the highest value of (x + y) if '7x482y6' is divisible by 12.
Which of the following pairs is NOT coprime?
Let x = (726)245 – (437)458 + (333)335. What is the unit digit of x?
A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
Relevant for Exams:
