How many two digit number are there whose product is the factor of that number i e 12 1 2

5 is the correct answer. You can calculate it.
10 years agoHelpfull: Yes(6) No(3)
5 was the correct answer..
simple it will take time but I did in my way..
I just write down 2 digits number from 10 to 99 and check for every number...it took only 5 mins..
10 years agoHelpfull: Yes(6) No(1)
ans is 5
11
12
15
24
36
10 years agoHelpfull: Yes(2) No(0)
answer is 12
factors of 12 = 1,2,3,4,6.
now there combinations.
12,14,16,23,24,26,32,34,42,43,61,62
10 years agoHelpfull: Yes(1) No(63)
4...

12 1*2=2, 15 1*5=5, 24 2*4=8, 36 3*6=12.
10 years agoHelpfull: Yes(0) No(4)

How many two digit number are there whose product is the factor of that number? (i.e. 12 , 1*2=2 2 is factor of 12)