Question

EXERCISE 9A
1. II 15 oranges cost * 110, what do 39 oranges cost?
2. If 8 kg sugar costs 260, how much sugar can be bought for 877.50?
3. The cost of 37 m of silk is 6290. What length of this silk can be purchased for 4420?
4. A worker is paid * 1110 for 6 days. If his total wages during a month are * 4625, for how
many days did he work?
5. A car can cover a distance of 357 km on 42 litres of petrol. How far can it travel on 12 litres
of petrol?
6. Travelling 900 km by rail costs 2520. What would be the fare for a journey of 360 km
when a person travels by the same class?
7. A train covers a distance of 51 km in 45 minutes. How long will it take to cover 221 kin?
8. Il 22.5 metres of a uniform iron rod weighs 85.5 kg, what will be the length of 22.8 kg of the
same rod?
9. If the weight of 6 sheets of a paper is 162 grams, how many sheets of the same quality of
paper would weigh 13.5 kg?
10. 1152 bars of soap can be packed in 8 cartons of the same size. How many such cartons will
be required to pack 3888 bars?
11. If the thickness of a pile of 16 cardboards is 44 mm, how many cardboards will be there in a
pile which is 71.5 cm thick?
12. At a particular time of a day, a 7-m-high flagstaff casts a shadow which is 8.2 m long What is
the height of the building which casts a shadow 20.5 metres in length at the same moment?
13. 15 men can build a 16.25-m-long wall up to a certain height in one day. How many men
should be employed to build a wall of the same height but of length 26 metres in one day?
14. In a hospital, the monthly consumption of milk of 60 patients is 1350 litres. How many
patients can be accommodated in the hospital if the monthly ration of milk is raised to
1710 litres, assuming that the quota per head remains the same?
15. The extension in an elastic string varies directly as the weight hung on it. If a weight of 150 g
produces an extension of 2.8 cm, what weight would produce an extension of 19.6 cm?
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Answer 1

Answer:

Bhai itna ye matlab ye hai kya please ask one question at a time

Answer 2

Answer:

1. cost of 15 oranges =110

cost of 1 orange =110/15

=22/3

cost of 39 oranges= 286 rupees

22/3×39

22×13

286 rupees

2. 8 kg of sugar cost =260

cost of 1kg of sugar =260/8

32.5

total sugar can be bought=

877.50/32.5

=27kg