Area
1. How much water must be added to milk in order to make 20% when the mixture is sold at cost price?
A. 2:5
B. 1:5
C. 3:5
D. 1:3
B. 1:5
2. Find the ratio that will get a mixture of Rs. 6.30 per kg by mixing rice at Rs. 7.20 per kg with rice at Rs. 5.70 per kg.
A. 2:3
B. 4:5
C. 3:5
D. 1:3
A. 2:3
3. How much water must be added to a litre of milk that costs Rs. 12 to make a combination that costs Rs. 8 per litre?
A. 2:1
B. 3:2
C. 1:2
D. 2:3
C. 1:2
4. What proportion of two different types of pulses, each costing Rs. 15 and Rs. 20 per kg, must be mixed to create a mixture that costs Rs. 16.50 per kg?
A. 7:3
B. 3:7
C. 5:7
D. 7:5
A. 7:3
5. How much water must be added to a litre of milk that costs Rs. 12 to make a combination that costs Rs. 8 per litre?
A. 2:1
B. 3:2
C. 1:2
D. 2:3
C. 1:2