Question
Anita spent less than Rs. 75 to buy one kilogram each of potato, onion, and gourd. Which one of the three vegetables bought was the costliest?
1. 2 kg potato and 1 kg gourd cost less than 1 kg potato and 2 kg gourd.
2. 1 kg potato and 2 kg onion together cost the same as 1 kg onion and 2 kg gourd.
1. 2 kg potato and 1 kg gourd cost less than 1 kg potato and 2 kg gourd.
2. 1 kg potato and 2 kg onion together cost the same as 1 kg onion and 2 kg gourd.
Answer: Option D
:
D
option (d)Statement A: 2 kg potato cost + 1 kg gourd cost < 1 kg potato cost + 1 kg gourd costWhich means that 1 kg potato cost < 1 kg gourd cost.So statement A is not sufficient.Statement B: 1 kg potato cost + 2 kg onion cost = 1 kg onion cost + 2 kg gourd cost = 1 kgpotato cost + 1 kg onion cost = 2 kg gourd cost.So statement B is also not sufficient.Combining both statements we get1 kg potato cost < 1 kg gourd cost …(i)1 kg potato cost + 1 kg onion cost = 2 kg gourd cost …(ii)So the onion is costliest.
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:
D
option (d)Statement A: 2 kg potato cost + 1 kg gourd cost < 1 kg potato cost + 1 kg gourd costWhich means that 1 kg potato cost < 1 kg gourd cost.So statement A is not sufficient.Statement B: 1 kg potato cost + 2 kg onion cost = 1 kg onion cost + 2 kg gourd cost = 1 kgpotato cost + 1 kg onion cost = 2 kg gourd cost.So statement B is also not sufficient.Combining both statements we get1 kg potato cost < 1 kg gourd cost …(i)1 kg potato cost + 1 kg onion cost = 2 kg gourd cost …(ii)So the onion is costliest.
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