A, Q, Y, Z, are different persons. Z is the father of Q, A is the daughter of Y and Y is the son of Z. If P is the son of Y and B is the brother of P then
A person swims upstream 11 k. m. And down stream 26 k. m. Taking 5 hours each time. The velocity of the current of the river is (per hour)
In a class the average weight of 150 students is 80 kg. The average weight of boys and girls is 85 kg and 70 kg respectively. The number of girls in the class is
At the point of inflexion, the marginal utility is:
Find the odd one out:
Arrange the following ingredients of communication process in the proper order:1. Message2. Receiver3. Encoder4. Channel5. Decoder