Problem Solving MCQ Set 39

Question: Two merchants sell, each an article for Rs.1000. If Merchant A computes his profit on cost price, while Merchant B computes his profit on selling price, they end up making profits of 25% respectively. By how much is the profit made by Merchant B greater than that of Merchant A?

1. Rs.66.67
2. Rs. 50
3. Rs.125
4. Rs.200

Question: A merchant marks his goods up by 75% above his cost price. What is the maximum % Aount that he can offer so that he ends up selling at no profit or loss?

1. 75%
2. 46.67%
3. 300%
4. 42.85%

Question: His speed during the second part was twice as that of the speed during the first part of the journey. What is his average speed of journey during the entire travel?

1. His average speed is the harmonic mean of the individual speeds for the two parts.
2. His average speed is the arithmetic mean of the individual speeds for the two parts.
3. His average speed is the geometric mean of the individual speeds for the two parts.
4. Cannot be determined.

Question: Two boys begin together to write out a booklet containing 535 lines. The first boy starts with the first line, writing at the rate of 100 lines an hour; and the second starts with the last line then writes line 534 and so on, backward proceeding at the rate of 50 lines an hour. At what line will they meet?

1. 356
2. 277
3. 357
4. 267

Question: A man and a woman 81 miles apart from each other, start travelling towrds each other at the same time. If the man covers 5 miles per hour to the women's 4 miles per hour, how far will the woman have travelled when they meet?

1. 27
2. 36
3. 45
4. None of these.

Question: The speed of a motor boat itself is 20 km/h and the rate of flow of the river is 4 km/h. Moving with the stream the boat went 120 km. What distance will the boat cover during the same time going against the stream?

1. 80 km
2. 180 km
3. 60 km
4. 100 km