NCERT Exemplar Solutions Class 6 - Mathematics - Unit 8: Ratio & Proportion - Problems and Solutions
Question 62
Question. 62
In a school, the ratio of the number of large classrooms to small classrooms is 3 : 4. If the number of small rooms is 20, then find the number of large rooms.
Answer:
15
Detailed Answer with Explanation:
3 : 4 = x : 20. Cross-multiply → 4x = 60 → x = 15.