Q1 · hard · AI-verified
The ratio of the present ages of A and B is 4:3. Five years ago, their ratio was 7:5. What will be the ratio of their ages after 8 years?
- 5:4
- 6:5
- 7:6
- 8:7
Q2 · hard · AI-verified
The ratio of speeds of two trains is 5:7. If the slower train takes 2 hours more than the faster train to cover 280 km, what is the speed of the faster train?
- 70 km/h
- 84 km/h
- 98 km/h
- 105 km/h
Q3 · hard · AI-verified
A sum of money is divided among A, B, and C in the ratio 3:4:5. If the difference between the largest and smallest share is ₹2400, what is the total amount?
- ₹9600
- ₹12000
- ₹14400
- ₹16800
Q4 · hard · AI-verified
The ages of A, B, and C are in the ratio 3:4:5. Five years ago, their ages were in the ratio 2:3:4. What is the present age of B?
- 20 years
- 24 years
- 30 years
- 16 years
Q5 · hard · AI-verified
A bag contains coins of ₹5, ₹2, and ₹1 in the ratio 4:3:5. If the total value is ₹342, find the number of ₹2 coins.
- 18
- 24
- 15
- 21