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Answer(i) 3/2
(ii) Rs 5600
(iii) 60%
Step-by-step explanation:
Let the total students be x.
(60 / 100) × x = 18
x = 30
Boys = 30 – 18 = 12
(i) Ratio of girls / Ratio of boys = 18 / 12 = 3 / 2
(ii) Total cost = 2 × 55 × 12 + 4280
= 1320 + 4280
= Rs 5600
Cost per head = 5600 / 32 = Rs. 175
30 students and 2 teachers
(iii) 2255 = 25 × 100 = 40%
Distance left = 55 – 22 = 33
Ratio = 33 / 55 = (3 / 5) × 100 = 60%
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