Q8. 20 litres of the mixture has water and milk in the ratio 3 : 5. If 4 litres of the mixture is to be replaced by 4 litres of milk, then what is the ratio of water to milk in the new mixture?
|A. 7 : 3||B. 3 : 7|
|C. 4 : 7||D. 8 : 3|
Q9. In a school, there are 200 girls and the ratio of the number of girls to boys is 4 : 9. Then how many students are there in the school?
|A. 620||B. 700|
|C. 650||D. 600|
Q10. An amount of Rs. 366 is to be divided among P, Q, and R in such a manner that Q gets two-third as much as P and R together, and P may get half as much as Q and R together. What is the share of P?
|A. 130.60||B. 122|
|C. 173||D. 146.60|
Q11. Seats for Computer Science, Mechanical, and Electronics in a university are in the ratio 7 : 5 : 8. There is a planning to increase these seats by 50%, 40%, and 75% respectively. Find the ratio of increased seats?
|A. 6 : 7 : 8||B. 8 : 6 : 9|
|C. 3 : 4 : 5||D. 3 : 2 : 4|
Q12. An alloy contains iron and nickel in the ratio 8 : 3. Find the quantity of iron required to be melted with 21 kg of nickel?
|A. 65 kg||B. 60 kg|
|C. 56 kg||D. 83 kg|
Q13. Divide Rs. 1328 among three boys Suresh, Ramesh, and Ganesh in the ratio 34 : 26 : 23. The sum of Suresh and Ganesh share is
|A. Rs. 912||B. Rs. 965|
|C. Rs. 821||D. Rs. 756|
Q14. A Father has 735 toffees and wants to distribute among his 3 children A, B, and C. If each child had received 25 less toffees, their shares would have been in the ratio 1 : 3 : 2. The number of toffees received by C is
|A. 230||B. 225|
|C. 200||D. 250|