Sri Ganesh bought 40 kgs of wheat at Rs.12.50 per kg and 25 kgs of it at Rs. 15.10per kg. He mixed them together. At whatrate should he sell the mixture to earn 10%proflt ?
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 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 ?
Average of first five multiples of 5 is :
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 the two-digit numbers, which remain the same when the digits interchange ther positions is:
The average temperature of Gwalior, Agra and Lucknow is 37o C. The average temperature of Agra, Gwalior and Delhi is 38o C. If the temperature of Delhi is 39°C, find the ratio of temperature of Delhi to that of Lucknow ?
