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Vikki [24]
3 years ago
7

4.1

Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0

Answer:

4.1 -

300/22= 13.65

so the answer is 13.63

4.2

distance/speed

330/110= 3

So it'll take 3 hours

4.3

sorry not sure for this one :(

ycow [4]3 years ago
7 0

4.1

Cost of 22ltrs of petrol = Rs300

Cost of 1ltr of petrol = 300/22

= 150/11

= Rs13.63

4.2

distance = 330km = d

speed = 110km/hr = s

time = d/s

= 330/110

= 33/11

= 3hrs

4.3

SI = principal amount × rate of interest × time

= 2000 \times  \frac{9}{100}  \times 4

= 20 \times 9 \times 4

= 720

Amount = Principal + SI

= 2000 + 720

= Rs2720

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