• Placement Questions

Frequently Asked Interview Questions and Answers

(#M40000309) ORKUT QUESTION pages Keep an EYE

In a book, there are 100 pages (on 50 leaves) numbered from 1 to 100.
Some pages are missing in the book.

Sum of page numbers of available pages is 4949.

Can you find out how many leaves are missing from book?

Can u give missing page numbers?

Asked In Orkut Bawa (15 years ago)

Solved Dr.Dipin Singh Read Solution (2)

Is this Puzzle helpful?   (5)   (1) Submit Your Solution

(#M40000311) ORKUT QUESTION checking wires Keep an EYE

You're an electrician working at a mountain. There are N wires running from one side of the mountain to the other. The problem is that the wires are not labeled, so you just see N wire ends on each side of the mountain. Your job is to match these ends (say, by labeling the two ends of each
wire in the same way).

In order to figure out the matching, you can twist together wire ends, thus electrically connecting the wires. You can twist as many wire ends as you want, into as many clusters as you want, at the side of the mountain where you happen to be at the time. You can also untwist the wire ends at the side of the mountain where you're at. You are equipped with an Ohm meter, which lets you test the connectivity of any pair of wires. (Actually, it's an abstract Ohm meter, in that it only tells you whether or not two things are connected, not the exact resistance.)

You are not charged [no pun intended] for twisting, untwisting, and using the Ohm meter. You are only charged for each helicopter ride you make from one side of the mountain to the other. What is the best way to match the wires? (Oh, N>2, for there is no solution when N=2.)

Asked In Orkut Bawa (15 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (2)   (0) Submit Your Solution

(#M40007777) OTHERS QUESTION cut chain Keep an EYE

The son of a rich bullion merchant left home on the death of his father. All he had with him was a gold chain that consisted of 153 links. He rented a place in the city center with a shop at the lower level and an apartment at the upper level. He was required to pay every week one link of the gold chain as rent for the place.

The landlady told him that she wanted one link of the gold chain at the end of one week, two gold links at the end of two weeks, three gold links at the end of three weeks and so on.

The son realized that he had to cut the links of the gold chain to pay the weekly rent. If the son wished to rent the place for 153 weeks, what would be the minimum number of links he would need to cut?

Asked In Others Bawa (13 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (0)   (1) Submit Your Solution

(#M40000310) ORKUT QUESTION Making garlands Keep an EYE

There are 12 flowers of same colour and 3 flowers of another colour. How many different garlands are possible.

Asked In Orkut Bawa (15 years ago)

Unsolved Read Solution (6)

Is this Puzzle helpful?   (1)   (1) Submit Your Solution