top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

How many cakes do Rohan have to carry with him so he can reach his grandma home with exactly 2 cakes?

+1 vote
495 views

Rohan is on his way to visit his girlfriend, who lives at the end of the state.It's her birthday, and he want to give her the cakes that he has made.Between his place and her girlfriend's house, he need to cross 7 toll bridges.
Before you can cross the toll bridge, you need to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do Rohan have to carry with him so he can reach his girlfriend's home with exactly 2 cakes?

posted Jun 20, 2014 by Simranjeet Singh

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

4 Answers

+2 votes

he should carry only 2 cakes with him. So he will reach his girlfriend home with exactly 2 cakes.

Answer is 2 Cakes.

answer Jun 20, 2014 by Anuj Agrawal
+2 votes

he had only 2 cakes with him.
at each toll he gives half of cake i.e) 1 cake
they in turn give 1 cake.
so at each toll, the transaction is 0
so ans is 2

answer Aug 19, 2014 by Rukmaniselvaraj
+1 vote

He just have to carry two cakes.

answer Jun 20, 2014 by Binu Mon
+1 vote

Answer is 2 cakes

answer Sep 26, 2017 by Mogadala Ramana



Similar Puzzles
+1 vote

An errand boy was collecting boxes of cakes for the summer fair. He collected boxes from various people in his local village and each box was labelled in Roman Numerals with the number of cakes in the box. By the time the errand boy has collected the last box. he was quite hungry, and really needed to eat at least one cake. Luckily the last box was marked with an underlined XI, meaning there was 11 cakes in it. He had the brain wave of turning the box around and underlining the number again to give the impression there were IX, that is 9 cakes. However, after eating the cakes 2 cakes, he was still hungry.
How can he change the number shown on the box again and eat more cakes?

0 votes

All the rivers are magical, moment a worshiper crosses a river with any number of flowers, it becomes double. (For eg 1 flower becomes 2 flowers, 2 become 4 and so on).

How many minimum number of flowers a worshiper needs to carry from beginning such that he offers equal number of flowers in all the three temples, and he is left with zero flowers at the end of fourth river.

0 votes

Sohan called and told his wife that he is partying with his friends and will reach home at 8.
However, Sohan reached home at 8:02 and his wife was angry because of being too late.
They had no special plans.
Why did she get so mad?

+1 vote

There are two hourglasses. The small one can measure 5 minutes and the large one can measure 7 minutes.
How can we measure 16 minutes with 2 hourglasses running together?
(If one of the hourglasses finishes leaking, then it must be flipped over immediately to keep it running. )

...