7. Given below is a pie char showing the time spend by a group of 350 children in different games Observe it and answer the questions that follow. less than 1 hr 1 hr 30% 2 hrs 34% 3 hrs 16% 4 hrs 4% 6% 10% 5 hrs (a) How many children spend at least less than one hour in playing games ? (b) How many children spend more than 2 hours playing games ? (c) How many children spend 3 or lesser hours in playing games ? 44
Answers
Answer:
a) From the given pie chart,
Percentage of children who at least spend one hour in playing
= 16 + 30 + 34 + 10 + 4 = 94 %
Number of children out of 350 who at least spend one hour in playing
= (94/100) × 350
= 0.94 × 350
= 329 children
b) From the given pie chart,
Percentage of children who spend 2 hours in playing
= 34 + 10 + 4 = 48 %
Number of children out of 350 who at least spend one hour in playing
= (48/100) × 350
= 0.48 × 350
= 168 children
c) From the given pie chart,
Percentage of children who at least spend one hour in playing
= 6 + 16 + 30 + 34 = 86 %
Number of children out of 350 who at least spend one hour in playing
= (86/100) × 350
= 0.86 × 350
= 301 children
d) Number of children who spend 2 hours or more per day
= 30 + 34 + 10 + 4 = 78%
= (78/100) × 350
= 0.78 × 350
= 273 children Number of children who play for less than one hour = 6% = (6/100) × 350 = 0.06 × 350
= 21 children