77th & 78th qs.

77.
A and B are two friends, together they go out for shopping. A buys a hat and a suit,

all together A spends 15 rupees. B buys a hat which costs same as the suit bought by

A. B even buys a dress which cost her one rupee less than the cost of hat bought by A.

B says to A that "If at all I had bought my hat by spending one and half times the

money u spent on buying ur hat, we both would have spent the same amount on buying

our items(together, i.e., 15 rupees).

(a) what is the cost of hat bought by A.

(b) The money A and B apent together.
78.
An integer T is as much greater than C as C is
greater than E. T
can be written as A + E. What is D?
(a) 2
(b) 3
(c) 4
(d) 5
(e) Cannot be determined