Five numbers are arranged in decreasing order. The average of the first four numbers is 60, and the average of the last four numbers is 55. What is the difference between the first and the last number?
How is R related to N?
How is B related to L?
How many male members are there in the family?
Which of the following expression represents the relationship ‘A is daughter-in-law of J’?
How is D related to H?
There are seven persons, S, T, U, V, W, Y and Z in a family of three generations. S is the grandfather of U. U is married to Y. Y is daughter-in-law of ...
How is B related to M?
S, T, U, V, W, X and Y are family members and there are two married couples in two generations of people who live in the same house. S is father of spou...
How is J related to H?
M has two sons and one daughter. R and V are the two married sons of M. Q is the son of R. U is the daughter of N. P is married to R. N is married to V....