a, b are positive integers. The remainder of a to be divided by 7 is 6 and the remainder of b to be...
a, b are positive integers. The remainder of a to be divided by 7 is 6 and the remainder of b to be divided by 8 is 5.
Which is possible to be the remainder of a*b to be divided by 52
Answer/Solution
e) 30
Steps/Work
Two ways to do it...
a=7x+6..
b=8y+5..
1) convenient way..
Take x and y as 0, and you will get a*b as 6*5=30
Answer : E
a=7x+6..
b=8y+5..
1) convenient way..
Take x and y as 0, and you will get a*b as 6*5=30
Answer : E