Wednesday, May 13, 2015

Under what column-letter will 1000 appear?

Suppose all the counting numbers are arranged in columns as shown. Under what column-letter will 1000 appear?

A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
_
_


The table is divided into 7 columns. Each value is so in a column, equivalent to the remainder when value is divided by 7.

1000/7 gives a remainder of 6. So 1000 will be in column F.

1000 will appear under column-letter F.

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