The answer to this is E. In order to solve this, you need to look at the given clues. It says that 1/3 of the number is 11x4. You need to compute what 11x4 is. You will reach 44. It says 1/3 so you need to multiply 44 x 3. The product for this is 132. Now, you have to divide the number because you need to find the half of that number.
The answer to this is 66. It will be very helpful if you would always check the given numbers and the clues about the things that you have to do in order to find the answer that you are searching for.