30. If the arithmetic mean of 8, 4, x, 6, 2, 7 is 5, then the value of x is
- (A) 4
- (B) 5
- (C) 3
- (D) None of these
29. If the mean of 26, 28, 25, x, 24 is 27, the value of x is
- (A) 31
- (B) 32
- (C) 33
- (D) 30
28. What is the value of x, if the mean of 5, 7, 7, 8, x, 5, 4, 3, 1 and 2 is 4.5?
- (A) 3
- (B) 4
- (C) 5
- (D) 6
27. The mean of three numbers is 10. The mean of other four numbers is 12. Find the mean of all the numbers.
- (A) Mean
- (B) Median
- (C) Mode
- (D) Any of the above
26. Which of the following has the same mean, median and mode?
- (A) 6, 2, 5, 4, 3, 4, 1
- (B) 4, 2, 2, 1, 3, 2, 3
- (C) 2, 3, 7, 3, 8, 3, 2
- (D) 4, 3, 4, 3, 4, 6, 4
25. In throwing a die, the number of possible outcomes is
- (A) 2
- (B) 4
- (C) 5
- (D) 6
24. When a die is thrown, the probability of getting a number less than 7 is
- (A) 1/2
- (B) 1/6
- (C) 1
- (D) 1/3
23. If a die is thrown, what is the probability of getting a number greater than 6?
- (A) 0
- (B) 1
- (C) 1/2
- (D) 1/6
22. What is the probability of the sun setting tomorrow?
- (A) 0
- (B) 1
- (C) 1/2
- (D) 1/6
21. The probability of getting a number greater than 2 on throwing a die once is
- (A) 2/5
- (B) 2/3
- (C) 1/3
- (D) 1/4
20. The cards bearing letters of the word MATHEMATICS are placed in a bag. A card is taken out from the bag without looking into the bag (at random). How many outcomes are possible when a letter is taken out of the bag at random?
- (A) 8
- (B) 11
- (C) 10
- (D) 9
19. The cards bearing letters of the word MATHEMATICS are placed in a bag. A card is taken out from the bag without looking into the bag (at random). What is the probability of getting M?
- (A) 2/11
- (B) 3/11
- (C) 4/11
- (D) 5/11
18. The cards bearing letters of the word MATHEMATICS are placed in a bag. A card is taken out from the bag without looking into the bag (at random). What is the probability of getting any vowel?
- (A) 2/11
- (B) 3/11
- (C) 4/11
- (D) 5/11
17. The cards bearing letters of the word MATHEMATICS are placed in a bag. A card is taken out from the bag without looking into the bag (at random). What is the probability of getting any consonant?
- (A) 9/11
- (B) 8/11
- (C) 7/11
- (D) 5/11
16. The cards bearing letters of the word MATHEMATICS are placed in a bag. A card is taken out from the bag without looking into the bag (at random). What is the probability of X?
- (A) 3/11
- (B) 2/11
- (C) 1/11
- (D) 0/11