Advertisements
Advertisements
Question
The ratio of the length and the width of a school ground is 5 : 2. Find the length, if the width is 40 metres.
Advertisements
Solution
Let the length = x m,
width = 40 m
The ratio of length to width = x : 40
as per given statement 5 : 2 = x : 40
⇒ 2 × x = 40 x 5
x = `(40xx5)/2` = 20 × 5 = 100 m
APPEARS IN
RELATED QUESTIONS
Find the ratio of 50 paise to Rs 5.
Find the reciprocal ratio of e following :
81pq2 : 54p2q
Divide a number into two parts in the ratio 5:7 so that smaller part is 60. Find the number.
Which of the following numbers are in continued proportion:
12, 18 and 27
If `(2"y"+5"x")/(3"y"-5"x")=2 1/2`, find x, if y = 70
The ages of A and B are in the ratio 6 : 5. If A’s age is 18 years, find the age of B.
Find the following ratio in the simplest form:
1.8 kg to 6 kg
Fill in the place holder:
Choose the correct answer from the given options :
When the number 210 is increased in the ratio 5 : 7, the new number is
Which pair of ratios are equal? And why?
`4/5, 12/50`
