CBSE: 10th Class Sample Test Paper - 2011

Mean and Median

1. Calculate the man of all possible factors of 10.

2. Find the mode of the following data by making frequency table.
14,25,14,28,18,17,18,14,23,22,14,18

3. Determine the median of 23,24,A,A-1,12,16 where A is the mean of 10,20,30,40,50.

4. If the median of following data is 63 .Find the value of x
29, 32, 48, 50, x, x+2, 72, 78, 84, 95.

5. The mean of 16 number is 8. If 2 is added to every numbers. What is the new mean.

6. The mean of 20 num is 18.If 3 is added to first 10 numbers. Find the new mean.

7. If the mean of 10,12,18,13,p,17 is 15 .Find value of p

8. A cricketer has mean score of 58 runs in 9 innings. Find how many runs are be scored in10th inning so to raise the mean 0f score 61.

9. Mean of 25 observation are found to be 78.4.But it was discovered that 96 was measured as 69.Find the correct mean.

10. Find the value of p if the mean of following data is 40.4

11. Find the mode of 14,25,14,28,18,17,18,14,23,22,14,18

12. 1Find the mode of following table.

13. The mean of 13 observations is 14. If the mean of first 7 observations is and that of last 7 is 16. Find the 7th observation.

14. Find the mean of following data.
Class interval 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50
Frequency 12 16 6 7 9

15. A coin tossed 300 times and head obtain 59 times. On tossing the coins at random .Find the probability of getting Head and Tail