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 options.
A) 20  B) 21  C) 22  D) 23  E) 24

Rationale: 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 does n ' t satisfy the conditions . for 3 : 7 * 3 / 4 * 3 = 21 / 12 answer : b
Answer: B