Q8. Three rolls of red cello-tape cost Rs 48.Five rolls of green cello-tape cost Rs 36. If Shikha bought 8 rolls of red cello tape and 3 rolls of green cello tape. What is the total amount that she will pay?
Q 9. At the parking of Ramleela ground, Karan counted that there are 105 cycles, 75 bikes and 45 cars. Find the ratio of number of bikes to total number of vehicles.
Q 10. Arun runs around a rectangular park whose length is 6 m and breadth is 7 cm. Find the ratio of area of the park to the perimeter of the park.
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Answer:
Here is your answer....
Step-by-step explanation:
cost of Red tape = 48/3 = 16
cost of Green tape = 36/5 = 7.2
cost of 8 red tape = 16 X 8 = 128
cost of 3 green tape = 7.2 X 8 = 21.6
:. total = 128 + 21.6 = 149.6
Ans. Rs 149.6
Q9.Number of cycles = 115
Number of scooter = 75
Number of bikes = 45
Total number of vehicles =(115+75+45)=235
required ratio =
Total number of vehicles
Number of cycles
⟹
235
115
=
47
23
=23:47
Q.10 2100:67
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