The ratio of boys to girls in a class is 4:5. If there are 36 students in total, how many boys are there?
The ratio of boys to girls in a class is 4:5. If there are 36 students in total, how many boys are there?
کلاس میں لڑکوں اور لڑکیوں کا تناسب 4:5 ہے۔ اگر کل 36 طلباء ہیں تو کتنے لڑکے ہیں؟
Explanation
1: The ratio of boys to girls is 4:5.
This means that for every 9 parts (4 parts boys + 5 parts girls), 4 parts are boys.
2: Calculate the total number of parts:
4+5=9 parts
3: Find the value of one part:
Total students=36
One part =
36/9 = 4
4: Calculate the number of boys:
Number of boys=4×4=16 boys