32. Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected. If 400 students voted in all, then how many did vote others colour as their favourite?
- (A) 6
- (B) 20
- (C) 24
- (D) 40
31. Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected. Which of the following is a reasonable conclusion for the given data?
- (A) 1/20 th student voted for blue colour
- (B) Green is the least popular colour
- (C) The number of students who voted for red colour is two times the number of students who voted for yellow colour
- (D) Number of students liking together yellow and green colour is approximately the same as those for red colour
30. On throwing a dice, what is the probability of occurrence of an odd number?
- (A) 1
- (B) 1/2
- (C) 2/3
- (D) 0
29. A dice is thrown two times and sum of the numbers appearing on the dice are noted. The number of possible outcomes is
- (A) 6
- (B) 11
- (C) 18
- (D) 36
28. The probability of getting a multiple of 2 when a dice is rolled is
- (A) 1/3
- (B) 1/2
- (C) 1/6
- (D) 2/3
27. What is the probability of choosing a vowel from the alphabets?
- (A) 21/26
- (B) 5/26
- (C) 1/26
- (D) 3/26
26. In a school only, 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?
- (A) 0.65
- (B) 0.4
- (C) 0.45
- (D) 0.6
25. Ram put some buttons on the table. There were 4 blue, 7 red, 3 black and 6 white buttons in all. All of a sudden, a cat jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is blue?
- (A) 7/20
- (B) 3/5
- (C) 1/5
- (D) 1/4
24. Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand of toothpaste. The central angle of the sector of the pie chart representing this information is
- (A) 120°
- (B) 150°
- (C) 144°
- (D) 40°
23. Monthly salary of a person is Rs. 15000. The central angle of the sector representing his expenses on food and house rent on a pie chart is 60°. The amount he spends on food and house rent is
- (A) Rs. 5000
- (B) Rs. 2500
- (C) Rs. 6000
- (D) Rs. 9000
22. The following pie chart represents the distribution of proteins in parts of a human body. What is the ratio of distribution of proteins in the muscles to that of proteins in the bones?
- (A) 3 : 1
- (B) 1 : 2
- (C) 1 : 3
- (D) 2 : 1
21. The following pie chart gives the distribution of constituents in the human body. What is the central angle of the sector representing skin and bones together?
- (A) 36°
- (B) 60°
- (C) 90°
- (D) 96°
20. The following pie chart gives the distribution of constituents in the human body. What is the central angle of the sector representing hormones enzymes and other proteins?
- (A) 120°
- (B) 144°
- (C) 156°
- (D) 176°
19. In a frequency distribution with classes 0 – 10, 10 – 20 etc., the size of the class intervals is 10. The lower limit of fourth class is
- (A) 40
- (B) 50
- (C) 20
- (D) 30
18. A coin is tossed 200 times and head appeared 120 times. The probability of getting a head in this experiment is
- (A) 2/5
- (B) 3/5
- (C) 1/5
- (D) 1/5
17. Rohan and Shalu are playing with 5 cards as shown in the figure. What is the probability of Rohan picking a card without seeing, that has the number 2 on it?
- (A) 2/5
- (B) 3/5
- (C) 4/5
- (D) 1/5