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All questions of Data Handling for Class 8 Exam
The ages of 50 members of the Junior cricket club in a town are as given below. 15, 17, 14, 13, 14, 13, 14, 17, 17, 16, 17, 16, 15, 16, 15, 14, 13, 14, 15, 13, 18, 13, 15, 14, 15, 13, 14, 13, 13, 17, 15, 14, 14, 17, 16, 17, 15, 14, 17, 16, 16, 16, 14, 16, 13, 18, 16, 15, 14, 14.Q. What percentage of members is in the 15-16 age group?- a)28%
- b)30%
- c)32%
- d)36%
Correct answer is option 'D'. Can you explain this answer?
The ages of 50 members of the Junior cricket club in a town are as given below. 15, 17, 14, 13, 14, 13, 14, 17, 17, 16, 17, 16, 15, 16, 15, 14, 13, 14, 15, 13, 18, 13, 15, 14, 15, 13, 14, 13, 13, 17, 15, 14, 14, 17, 16, 17, 15, 14, 17, 16, 16, 16, 14, 16, 13, 18, 16, 15, 14, 14.
Q. What percentage of members is in the 15-16 age group?
a)
28%
b)
30%
c)
32%
d)
36%
 | Geetika Shah answered |
From a well shuffled deck of deck of 52 cards, one card is drawn at random. What is the probability that the card drawn is a diamond?- a)1/2
- b)1/3
- c)1/4
- d)1/13
Correct answer is option 'C'. Can you explain this answer?
From a well shuffled deck of deck of 52 cards, one card is drawn at random. What is the probability that the card drawn is a diamond?
a)
1/2
b)
1/3
c)
1/4
d)
1/13
| | Geetika Shah answered |
Total number of all possible outcomes = 52
No. of diamonds = 13
P(getting a diamond) =
No. of diamonds = 13
P(getting a diamond) =
A die is thrown. What is the probability of getting 6?- a)1
- b)1/2
- c)1/4
- d)1/6
Correct answer is option 'D'. Can you explain this answer?
A die is thrown. What is the probability of getting 6?
a)
1
b)
1/2
c)
1/4
d)
1/6
 | Amit Sharma answered |
Total no. of possible outcomes = 6
A bag contains 4 red balls, 5 green balls and 7 black balls. They are mixed thoroughly and one ball is drawn at random. What is the probability of getting a black ball?- a)7/16
- b)5/16
- c)1/4
- d)1/16
Correct answer is option 'A'. Can you explain this answer?
A bag contains 4 red balls, 5 green balls and 7 black balls. They are mixed thoroughly and one ball is drawn at random. What is the probability of getting a black ball?
a)
7/16
b)
5/16
c)
1/4
d)
1/16
 | Shubham Sharma answered |
Total number of balls = 4 + 5 + 7 = 16
Number of black balls = 7
P(getting a black ball) = 7/16
Number of black balls = 7
P(getting a black ball) = 7/16
Mohan spends 40% of his monthly income on food items, 20% on house rent and 30% on miscellaneous items. He saves 10% of his income every month. What is the central angle for house rent on pie-chart?- a)144°
- b)36°
- c)72°
- d)108°
Correct answer is option 'C'. Can you explain this answer?
Mohan spends 40% of his monthly income on food items, 20% on house rent and 30% on miscellaneous items. He saves 10% of his income every month. What is the central angle for house rent on pie-chart?
a)
144°
b)
36°
c)
72°
d)
108°
| | Shubham Sharma answered |
From a well shuffled deck of 2 cards, one card is drawn at random. What is probability of getting a red card?- a)1/2
- b)1/4
- c)3/13
- d)1/13
Correct answer is option 'A'. Can you explain this answer?
From a well shuffled deck of 2 cards, one card is drawn at random. What is probability of getting a red card?
a)
1/2
b)
1/4
c)
3/13
d)
1/13
| | Geetika Shah answered |
Total no. of possible outcomes = 52
Number of red cards = 26.
In a box of 100 electric bulbs, 8 bulbs are defective. One bulb is taken out at random from the box. What is the probability that the bulb drawn is not defective?- a)2/25
- b)1/4
- c)23/25
- d)1/25
Correct answer is option 'C'. Can you explain this answer?
In a box of 100 electric bulbs, 8 bulbs are defective. One bulb is taken out at random from the box. What is the probability that the bulb drawn is not defective?
a)
2/25
b)
1/4
c)
23/25
d)
1/25
 | Preksha Kapoor answered |
Total no. of electric bulbs = 100
No. of defective bulbs = 8
No. of bulbs which are not defective = 100 – 8 = 92
No. of defective bulbs = 8
No. of bulbs which are not defective = 100 – 8 = 92
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a queen?- a)1/4
- b)1/3
- c)1/13
- d)2/13
Correct answer is option 'C'. Can you explain this answer?
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a queen?
a)
1/4
b)
1/3
c)
1/13
d)
2/13
| | Neelam Desai answered |
Total no. of possible outcomes = 52
No. of queen = 4.
No. of queen = 4.
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