In the summer of 2012 in New Delhi the mean temperature of Monday to Wednesday was 41C and of Tuesday to Thursday was 43C If the temperature on Thursday was 15 higher than that of Monday then the temperature in C on Thursday w

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In the summer of 2012, in New Delhi, the mean temperature of Monday to Wednesday was 41ºC and of Tuesday to Thursday was 43ºC. If the temperature on Thursday was 15% higher than that of Monday, then the temperature in ºC on Thursday w

(A) 40
(B) 43
(C) 46
(D) 49


By:tarun101

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Answers

Answer is: (C) 46
Explanation:
Let the temperature of Monday be TM

Sum of temperatures of Tuesday and Wednesday = T and

 Temperature of Thursday = TTh

Now, TM + T = 41 ×3 = 123

and TTh + T = 43 × 3 = 129

∴ TTh – TM = 6, Also TTh = 1.15TM

∴ 0.15TM = 6 ⇒ TM = 40

Temperature of Thursday = 40 + 6 = 46°C


Aparna-Dasgupta

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