If 2257 is the result of subtracting 4577 from 7056 in ba...
If 2257 is the result of subtracting 4577 from 7056 in base n, find n
8
9
10
11
Correct answer is A
7056- 45772257
By trial and error method
Let the base to 8
i.e. Let n = 8 and it is easily verified that the subtraction holds.
The subtraction does not hold when other values of n are tried
n = 8
The sum of the first n terms of the arithmetic progression 5, 11, 17, 23, 29, 35, ... is? ...
In how many ways can five people sit round a circular table? ...
A cone with the sector angle of 45° is cut out of a circle of radius r of the cone....
If a{x+1x−2−x−1x+2} = 6x. Find a in its simplest form...
If N560.70 is shared in the ratio 7 : 2 : 1, what is the smallest share?...
For what value of x is the expression x2+15x+50x−5 not defined ?...