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Standard IV
Mathematics
Factors
How much does...
Question
How much does it cost to hire a rowing boat for three hours?
A
£7.40
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B
£7.50
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C
£6.50
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D
£7.85
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Solution
The correct option is
B
£7.50
£7.50
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Similar questions
Q.
There are different kinds of boats. Each has a different ticket price, and also different trip times.
Name of the Boat
Ticket-price
Trip-time
1. Double-decker
Rs 30
45 minutes
2. Paddle-boat
Rs 15
30 minutes
3. Motor-boat
Rs 25
20 minutes
4. Boat with oars
Rs 15
45 minutes
• Indra and Bhanu first went in the motor-boat, and then took the oar-boat.
How much did they pay for both the boats? Rs _____________
How much time did they get for both rides? ______________
• One group of children went for the double-decker trip. They paid Rs 450 in total. How many children went for the double-decker trip? ____________
• Which boat makes two trips in 1 hour?
• Which boat takes less than half an hour to complete a trip?
• Which boat gives them the most time taking the least money?
• Javed went twice for boating. He paid a total of Rs 40. and boated for 50 minutes. Which two boats did he take? _____________
Q.
Which Boat Gets How Much?
In one trip the log boat brings about 20 kg of fish. But other types of boats bring a bigger catch as given in the table. The table also shows the speed of each type of boat, which is how far each boat goes in one hour. Look at the table and calculate ―
(a) About how much fish in all will each type of boat bring in seven trips?
(b) About how far can a motor boat go in six hours?
(c) If a long tail boat has to travel 60 km how long will it take?
Type of boat
Catch of fish in one trip (in kg)
Speed of the boat (how far it goes in one hour)
Log boat
Long tail boat
Motor boat
Machine boat
20
600
800
6000
4 km per hour
12 km per hour
20 km per hour
22 km per hour
Q.
If a motor boat travels 18 km in one hour, then how much does it travel in 5 hours?
Q.
Why does a boat, in still water, come to rest if we stop rowing it?
Q.
Analyse the table below to fill in the blank:
Boat type
Catch in one trip
Long tail boat
600
kg
Machine boat
6000
kg
A long tail boat has to make ___ trips to bring the same quantity of fish that a single trip by a machine boat would bring.
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