Question

Rohit buys $10$ pens for Rs.$150$ and Manoj buys $14$ pens for Rs.$168$.Who got the pens cheaper?

Answer 1

Rohit buys $10$ pens$=$Rs.$150$

Cost of one pen$=\frac{150}{10}=$Rs.$15$

Manoj buys $14$ pens$=$Rs.$168$

Cost of one pen$=\frac{168}{14}=$Rs.$12$

Manoj buys cheaper pen.