Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 127)
127.
3897 x 999 = ?
Answer: Option
Explanation:
| 3897 x 999 | = 3897 x (1000 - 1) |
| = 3897 x 1000 - 3897 x 1 | |
| = 3897000 - 3897 | |
| = 3893103. |
Discussion:
2 comments Page 1 of 1.
Esai arasi said:
9 years ago
Explain me in DSM method.
Sanjay said:
1 decade ago
3897x999
consider 3987 take last three digit because three 999
3 897
4 add 3+1 and sub 897-4
893
3893 retain 3
next step
take 897
8-9=1
9-9=0
10-7=3 unit place sub with 10
finally 3893103 check out for different no of 999999.
consider 3987 take last three digit because three 999
3 897
4 add 3+1 and sub 897-4
893
3893 retain 3
next step
take 897
8-9=1
9-9=0
10-7=3 unit place sub with 10
finally 3893103 check out for different no of 999999.
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