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The average temperature in Delhi for the first four days of the month was reported as 580 . It reported as 600 for 2nd, 3rd, 4th and 5th days. The ratio of the temperatures of 1st and 5th day was 7 : 8. Find the temperature on the first day.
  • a)
    420
  • b)
    460
  • c)
    630
  • d)
    680
  • e)
    560
Correct answer is option 'E'. Can you explain this answer?
Verified Answer
The average temperature in Delhi for the first four days of the month ...
E) 560
Explanation: A+B+C+D = 58*4
B+C+D+E = 60*4
Subtract both, E – A = 8 So 8x – 7x = 8, x = 8 So temperature of A(1st day) = 7x = 7*8
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Most Upvoted Answer
The average temperature in Delhi for the first four days of the month ...
Solution :

We know that, average = sum/number of observation

hence, 58=sum/4

sum = 58*4 = 232
similarly,
60 = sum/ 4

60*4= 240

5th temperature - 1st temperature = 240 -232 = 8

hence, ratio = 7:8
therefore ; 8x-7x = 8

x= 8

first temperature = 7*8 =56
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Community Answer
The average temperature in Delhi for the first four days of the month ...
Given Information:


  • The average temperature in Delhi for the first four days of the month was reported as 580.

  • The temperature reported for the 2nd, 3rd, 4th, and 5th days was 600.

  • The ratio of the temperatures on the 1st and 5th day was 7:8.



Calculating the Temperature on the 1st Day:

To find the temperature on the 1st day, we need to calculate the sum of the temperatures reported for the 2nd, 3rd, 4th, and 5th days.

Let's assume the temperature on the 1st day is x.

Given that the average temperature for the first four days is 580, we can write the equation:

(x + 600 + 600 + 600) / 4 = 580

Simplifying the equation, we get:

x + 1800 = 2320

x = 2320 - 1800 = 520


Calculating the Temperature on the 5th Day:

Since we know the ratio of the temperatures on the 1st and 5th day is 7:8, we can write the equation:

7x = 8(520)

7x = 4160

x = 4160 / 7 = 560


Conclusion:

The temperature on the first day is 560.

Therefore, the correct answer is option 'E' (560).
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The average temperature in Delhi for the first four days of the month was reported as 580 . It reported as 600 for 2nd, 3rd, 4th and 5th days. The ratio of the temperatures of 1st and 5th day was 7 : 8. Find the temperature on the first day.a)420b)460c)630d)680e)560Correct answer is option 'E'. Can you explain this answer?
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