Find the two digit number, such that the ratio is 7/4 of original number to the number formed by reversing the digits.
Choose the correct choice from the following choices
A) 20	B) 21	C) 22	D) 23	E) 24
here ratio is 7/4.   so lets check one by one.   for 1 : 7*1/4*1 = 7/4   for 2 : 7*2/4*2 = 14/8 ,which doesn't satisfy the conditions.   for 3 : 7*3/4*3 = 21/12   ANSWER:21
<result>B</result>
Find the two digit number, such that the ratio is 7/4 of original number to the number formed by reversing the digits.