Advertisements
Advertisements
Question
Out of 50 students in a class, 30 are boys. Find the ratio of number of boys to the number of girls
Advertisements
Solution
Total no of students = 50
No of boys = 30
No of girls = 50 – 30 = 20
Ratio of boys to girls = 30 : 20
= `30/20`
= `3/2`
= 3 : 2
APPEARS IN
RELATED QUESTIONS
Find the compounded ratio of the following:
15: 16 and 8 : 5
Two numbers are in the ratio 5 : 7 and the difference of their squares is 600. Find the numbers.
If 3x – 2y – 7z = 0 and 2x + 3y – 5z = 0 find x : y : z.
Find the sub-duplicate ratio of 9a2 : 49b2
Find the following ratio in the simplest form:
48 minutes to 1 hour
If the cost of 30 packets of 8 pencils each is Rs 600, what is the cost of 25 packets of 12 pencils each?
Ratio of 3 m to 200 cm = _____________
Akilan walks 10 km in an hour while Selvi walks 6 km in an hour. Find the simplest ratio of the distance covered by Akilan to that of Selvi.
The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ______.
Distances travelled by Hamid and Akhtar in an hour are 9 km and 12 km. Find the ratio of speed of Hamid to the speed of Akhtar.
