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 |