Question

A four digit number starts with 15. The next two digits are three times the first four two digits. Ts four digit number is multiplied by 452. What is the product ?

Answer 1

First two digit = 15 , next two digit =3 * 15=45 
therefore the four digit no. is 1545.
multiplying 452 by 1545 ,we get
698340

hope it helps to you.