TCS
Company
(1-1/6) (1-1/7).... (1- (1/ (n+4))) (1-(1/ (n+5))) = ?
Read Solution (Total 1)
(5/6)*(6/7)*(7/8)........((n+3)/(n+4))*((n+4)/(n+5))=5/n+5
13 years ago
Helpfull: Yes(7) No(1)
TCS Other Question
Susan made a block with small cubes of 7 cubic cm volume to make a block 4 small cubes long,
4 small cubes wide and 10 small cubes deep. She realises that she has used more small cubes than she really needed.
She realised that she could have glued a fewer number of cubes together to look like a block with same dimensions,
if it were made hollow. What is the minimum number of cubes that she needs to make the block?
160
32
128
79
Alchemy is an occult tradition that arose in the ancient Persian empire. Zosimos of Panopolis was an early alchemist. Zara, reads about Zosimos and decides to try some experiments. One day, she collects two buckets, the first containing one litre of ink and the second containing one litre of cola. Suppose she takes one cup of ink out of the first bucket and pours it into the second bucket. After mixing she takes one cup of the mixture from the second bucket and pours it back into the first bucket. Which one of the following statements holds now?
a) There is more cola in the first bucket than ink in the second bucket.
b) There is as much cola in the first bucket as there is ink in the second bucket.
c) There is less cola in the first bucket than ink in the second bucket.