Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Ratio and Proportion
The ratio of students in three classes is 2 ∶ 3 ∶ 5. If the number of students is increased by 4 students in all three class, the ratio will be 4 ∶ 5 ∶ 7. How many total number of students are in all three classes?
1
20
2
40
3
70
4
100