In a survey of 400 people, 300 people drink only one drink out of tea and coffee, 50 people drink non of them. Find the number of people who drink both the drinks.
Two children were given birth by a married couple. Represent the probability of giving birth to at least a daughter in a tree diagram.
PathshalaNepal.com is a Registered Company of E. Pathshala Pvt Ltd Nepal. Registration number : 289280
© 2020. All right Reversed.E. Pathshala Pvt Ltd