Answer the following
1. Tally marks are used to find
(a) Class intervals (b) Range (c) Frequency (d) Upper limit
2. The weekly wages (in Rs.) of 30 workers in a factory are
830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840.
Using tally marks, make a frequency distribution table with class intervals 800 – 810, 810 – 820 and so on
3. The pie chart gives the marks scored in an examination by a student in different subjects. If the total marks obtained were 540, answer the following questions–
(i) In which subject did the student score 105 marks?
(ii) How many more marks were obtained by the student in Mathematics than in Hindi?
4. Draw a pie chart for the given data.
5. The top speeds of thirty different land animals have been organized into a frequency table. Draw a histogram for the given data.
6. A coin is tossed 200 times and head appeared 120 times. The probability of getting a head in this experiment is ____________
7. A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hansik takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?
8. A dice is rolled once. What is the probability that the number on top will be
(a) Odd
(b) Greater than 5
(c) A multiple of 3
(d) Less than 1
(e) A factor of 36
(f) A factor of 6
9. Reem draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is 2/9. If the total number of balls in the bag is 36, find the number of yellow balls.
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