48. In the class interval 251 – 276, 251 is known as the
- (A) Lower class limit
- (B) Upper class limit
- (C) Frequency
- (D) Histogram
47. Which of the following is not a random experiment?
- (A) Tossing a coin
- (B) Rolling a dice
- (C) Choosing a card from a deck of 52 cards
- (D) Throwing a stone from a roof of a building
46. The fourth class interval for a grouped data whose first and second class intervals are 10 – 15 and 15 – 20 respectively is
- (A) 20 – 25
- (B) 25 – 30
- (C) 35 – 40
- (D) 30 – 35
45. The following data 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 – 5, 5 – 10, 10 – 15 etc. What is the frequency of the class 20 – 25?
- (A) 5
- (B) 4
- (C) 3
- (D) 2
44. The range of the data 30, 61, 55, 56, 60, 20, 26, 46, 28, 56 is
- (A) 26
- (B) 30
- (C) 41
- (D) 61
43. Listed below are the temperature in °C for 10 days: –6, –8, 0, 3, 2, 0, 1, 5, 4, 4. What is the range of the data?
- (A) 8°C
- (B) 13°C
- (C) 10°C
- (D) 12°C
42. The pie chart depicts the information of viewers watching different type of channels on TV. Which type of programmes are viewed the most?
- (A) News
- (B) Sports
- (C) Entertainment
- (D) Informative
41. Observe the histogram given below. The number of girls having height 145 cm and above is
- (A) 5
- (B) 10
- (C) 17
- (D) 19
40. The central angle of the sectors in a pie chart will be a fraction of
- (A) 90°
- (B) 360°
- (C) 180°
- (D) 720°
39. In a pie chart, the total angle at the centre of the circle is
- (A) 180°
- (B) 360°
- (C) 270°
- (D) 90°
38. The pie chart gives the marks scored in an examination by a student in different subjects. If the total marks obtained were 540, in which subject did the student score 105 marks?
- (A) Mathematics
- (B) Hindi
- (C) Science
- (D) English
37. The pie chart gives the marks scored in an examination by a student in different subjects. If the total marks obtained were 540, how many more marks were obtained by the student in Mathematics than in Hindi?
- (A) 35
- (B) 30
- (C) 25
- (D) 40
36. A histogram is given. How many workers earn ₹850 and more?
- (A) 15
- (B) 10
- (C) 12
- (D) 9
35. A histogram is given. How many workers earn less than ₹850?
- (A) 15
- (B) 10
- (C) 20
- (D) 19
34. A histogram is given. How many workers earn ₹820 or more but less than ₹880?
- (A) 25
- (B) 30
- (C) 20
- (D) 19
33. Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected. Which colour received 1/5 of the votes?
- (A) Red
- (B) Blue
- (C) Green
- (D) Yellow