Question

A vector 7 = a i(cap) + b j(cap) is equally inclined
to both x and y axes. If the magnitude
of the vector is 2 units, then what are
the values of a and b respectively?

This is question number 86 from NDA 1 2021 SET C
thank you​

Answer 1

A businessmman bought some items for 3000 he kept 10items for himself and sold thev remaining at a profit of 25 per item from the amount he received in this deal he could buy 15 more items find the original price of a each item .