18 friends went to a restaurant for taking their breakfast. 17 of them spent RS.24 each on their breakfast and the last one spent RS.16 more then the average expenditure of all the 18. What was the total money spent by them? A) 228 B) 448.9 C) 458.6 D) 428.0

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18 friends went to a restaurant for taking their breakfast. 17 of them spent RS.24 each on their breakfast and the last one spent RS.16 more then the average expenditure of all the 18. What was the total money spent by them? A) 228 B) 448.9 C) 458.6 D) 428.0

by anonymous asked Jan 10, 2021 11 views

18 friends went to a restaurant for taking their breakfast. 17 of them spent RS.24 each on their breakfast and the last one spent RS.16 more then the average expenditure of all the 18. What was the total money spent by them? A) 228 B) 448.9 C) 458.6 D) 428.0

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by anonymous asked Jan 10, 2021 22 views

The average monthly salary of 24 labours and 6 supervisor in a factory was Rs. 1200. When one of the supervisor whose salary was Rs. 1440, was replaced with a new supervisor, then the average salary of the team went down to 1160. What is the salary of the new supervisor? A) 170 B) 420 C) 390 D) 240

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by anonymous asked Jan 10, 2021 19 views

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by anonymous asked Jan 10, 2021 13 views

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by anonymous asked Jan 10, 2021 13 views

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anonymous · Answer 1 · 2021-01-10T02:06:22+0000

B)

Let the average expenditure of all the 18 be Rs ‘x’.

Then (24 * 17) + (x + 16) = 18x

424 + x = 18x

x = 24.9

therefore total money spent 18x

= 18 * 24.9

= Rs.448.9

18 friends went to a restaurant for taking their breakfast. 17 of them spent RS.24 each on their breakfast and the last one spent RS.16 more then the average expenditure of all the 18. What was the total money spent by them? A) 228 B) 448.9 C) 458.6 D) 428.0

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