   # What is the number ?

+1 vote
119 views

A two digit number obtained by either multiplying the sum of the digit by 8 and adding 1 or by multiplying the difference of digits by 13 and adding 2 .

What is the number ? posted Sep 3, 2014

The digit must be 41. answer Nov 7, 2014

Similar Puzzles

Kajal is teaching a class of thirty pupils,
of which fourteen are girls.
She knows that there are twenty-two pupils who are right-handed.

What is the minimum number of girls
who are right handed in this class?

A four-digit number is written in a piece of paper. Can you figure it out?

Clues:
1. The second isn't a 6.
2. Only one digit starts with a vowel.
3. The fourth is greater than the first, which is greater than or equal to the third, and is greater than the second.
4. Either the first two numbers are even & the last two numbers are odd or vice versa.
5. The difference between the 1st & 2nd, is the same as the difference between the 4th & 3rd.
6. One of the numbers is prime; three are composite.

Hint: In clue 6, the only prime numbers that have a single digit are 2, 3, 5 and 7.
Hint 2: The only numbers that start with a vowel are 1 and 8.
Hint 3: The second is 4.

+1 vote

Soham works at a soft drink company and was arranging some particular number of cylindrical aluminium soft drink cans in a square box but the box became full and there were 8 cans remaining to be put in.
Then, he started arranging all cans in a rectangular box where he could arrange 6 cans more along the length than the breadth after putting all the cans in the rectangular box.
He found out that there was still space left for another 11 cans.
What is the number of cans Soham had if it is known that the number of cans were more than 15 and no can was put on top of another can?