Q5.Pinki and Rinki are sisters. They go from their house A along a straight path and reaches a toy shop D. D is along the straight road BC. After buying gifts Pinki went to her friend’s house B and Rinki to her friend’s house C for birthday party. B and C are at equal distance from toy shop. Area of triangle ADC is 36 Sq m and altitude from A to BC is half of DC. Can you tell the:
a) Area of triangle ABD
b) Length of altitude from A to BC
c) Area of triangle ABC
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At a birthday party , the children spin a wheel to get a gift . find the probability of
(a) Getting a ball
(b) Getting a toy car
(c) Any toy expect a chocolate
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Total no, of possibilities =8,
(i)
No of events of getting a ball =2
Probability=
Total no of events
No of events of getting a ball
=
8
2
(ii)
No of events of getting a toy car =3
Probability=
Total no of events
No of events of getting a car
=
8
3
(iii)
There is only one event of getting chocolate
So, No. of events of getting any toy except chocolate =8−1=7
Probability=
Total no of events
No of events of getting other toy than chocolate
=
8
7
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