How could a grocer combine two types of pulses that cost Rs. 15 and Rs. 20 per kg to get a combination worth Rs. 16.50 kg?
A. 3 : 7
B. 5 : 7
C. 7 : 3
D. 7 : 5
Answer:C
How could a grocer combine two types of pulses that cost Rs. 15 and Rs. 20 per kg to get a combination worth Rs. 16.50 kg?
A. 3 : 7 B. 5 : 7 C. 7 : 3 D. 7 : 5
Explanation: 3.50 : 1.50 = 7 : 3 is the required rate.