Related Questions

Of the 45 families in a locality, 25 families have working mothers and 10 families have retired individuals as members to look after the children at home. Of the families, 8 have both working mothers and retired individuals as members. How many of the families have working mothers but no retired individuals as members?
A 2
B 18
C 17
Of the 65 families in a locality, 45 have children and 10 have retired individuals as members. Of the families, 8 have both children and retired individuals as members. How many of the families have neither children nor retired individuals as members?
A 2
B 18
C 20
In a box , there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green ?
A 1/3
B 3/4
C 7/19
D 8/21
In a box, there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly , what is the probability that it is neither red nor green ?
A 1/3
B 3/4
C 7/19
D 8/2
একটি বাক্সে ৮টি কমলা, ৭টি সাদা, ও ৬টি নীল বল আছে। বাক্স হতে একটি বল দৈবক্রমে উত্তোলন করা হলে সেটি কমলা ও নীল না হওয়ার সম্ভাবনা কত? (In a box, there are 8 orange, 7 white and 6 blue balls. If a ball is picked up randomly, what is the probability that it is neither orange nor blue?)
A 1/3
B 1/21
C 2/21
D 5/21
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?
A $$\frac{{2}}{{3}}$$
B $$\frac{{3}}{{7}}$$
C $$\frac{{8}}{{21}}$$
D $$\frac{{9}}{{22}}$$
A box contains 5 pink , 3 green and 2 yellow balls, Three balls are picked up randomly. What is the probability that none of the ball drawn is green
A 3/4
B 2/8
C 4/3
D 2/3
Certain number of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a girl hits a goal is 7/10 whereas the probability that a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
The people interviewed for the survey were randomly selected. Select the closest meaning of randomly;
A sincerely
B carefully
C mindfully
D indiscriminately

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