D because it combines the sentences correctly. I think, I'm puzzled between d and a but I really do think its d. :) Hope this helps!
Answer:
Fifty Six
Explanation:
As per the question, there are 29 books at the left of 30th book and 32 book at the right of 30th book
. If we get the total 29 + 32 + 1, we find it 62. Now we remove 2 books + 4 books, which is 6. From the total 62, if we deduce 6, we get that 56 will be left on the shelf.
1/4,1/2,2/3,5/8,3/4
CONVERT THE FRACTIONS IN DECIMALS FORMS IT IS EASY TO UNDERSTAND THEN