(i) Nathu has Rs. = x
Bina has money = Twice money as much as
Nathu’s money = 2 × x = Rs. 2x
(ii) Nathu purchased books of = Rs. 150
money remains = Rs. (x – 150)
(iii) Nathu has intial money = Rs. x
Seema has money = half money as much as
Nathu’s initial money = Rs.
(iv) Milli has money = Thrice money as much as
Nath’s money = 3 × x = Rs. 3x