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Sunday, June 28, 2020

The mean temperature of Monday and Thursday was 36°C. If the temperature on Thursday was $\frac{4}{5}$ th of that of Monday, then what was the temperature on Thursday ?

The mean temperature of Monday and Thursday was 36°C. If the temperature on Thursday was $\frac{4}{5}$ th of that of Monday, then what was the temperature on Thursday ?
A36.5°C
B32°C
C35.5°C
D34°C
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The sum of five numbers is 555. The average of first two numbers is 75 and the third number is 115. What is the average of last two-numbers ?

The sum of five numbers is 555. The average of first two numbers is 75 and the third number is 115. What is the average of last two-numbers ?
A145
B150
C265
D290
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Average of first five multiples of 5 is :

Average of first five multiples of 5 is :
A15
B15.1
C15.5
D15.3
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The average of 8 numbers is A and the average of four of these is B. If the average of remainig four is C, then

The average of 8 numbers is A and the average of four of these is B. If the average of remainig four is C, then
A2A = B + C
BA = B + 2C
CA = 2B + C
DA = 2A + 2B
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The average of the two-digit numbers, which remain the same when the digits interchange ther positions is:

The average of the two-digit numbers, which remain the same when the digits interchange ther positions is:
A55
B55.5
C56
D56.5
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