Speed Mathematics - Multiplication
zacky
2014-01-22 21:21:19
It would be 1344
56
24
6*4= 24...2 carry-----------4
(4*5)+(6*2)+2(carry above)=34.....carry 3----------4
5*2=10+3(carry above)-----------13
so, its 1344
Rachit
2013-11-03 03:41:20
multiplying two numbers
lets multiply
76
87
first *first=7*8=56
sec*sec =6*7=42
cross multiply=7*7+8*6=97
56 97 42
56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2
66,1,2
start adding from right to left
6612
lets multiply
76
87
first *first=7*8=56
sec*sec =6*7=42
cross multiply=7*7+8*6=97
56 97 42
56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2
66,1,2
start adding from right to left
6612
Ravi
2013-12-24 07:50:23
please elaborate while calculating "56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2"...thank you in advance
Add a new comment... (Use Discussion Board for posting new aptitude questions.)
Name:
Email: (optional)
7 + 10 =
(please answer the simple math question)
Post Your Comment
