Elitmus
Exam
Numerical Ability
Number System
The product of digit is a Factor of a two digit
number.No of such digit are:
a.3
b.5
c.9
d.27
Read Solution (Total 15)
-
- 11, 1*1=1
12 , 1*2=2
15 ,1*5=5
24 ,2*4=8
36 , 3*6=18
so Ans is 5 - 9 years agoHelpfull: Yes(58) No(4)
- Pls mail me any study material for elitmus at babbarsuruchi90@ gmail.com it's urgent!!!
- 9 years agoHelpfull: Yes(9) No(3)
- ans is 5
Check only those numbers where digits are equal or one of the digit is a factor of another digit - 9 years agoHelpfull: Yes(5) No(3)
- What about
14=7*2
10=5*2
21=7*3
Why you r nt taking all this no's
@abhinav - 9 years agoHelpfull: Yes(5) No(32)
- ans is 3
option a. - 9 years agoHelpfull: Yes(3) No(7)
- @astha 14 has 2 digits 1 & 4 and we have to multiply these two.. Similarly, ur all numbers are useless...
Thanks bro #abhinaw - 9 years agoHelpfull: Yes(3) No(4)
- @neha. Visit http://www.elitmuszone.com/elitmus/ u'll definitely find all ur answers there
- 9 years agoHelpfull: Yes(2) No(2)
- @astha bcoz it is sated that product of the digit divides the 2 digit number since it is a factor of the 2 digit number..here 4*1 doesnt divide 14..similarly for others also apply the same rule..
- 9 years agoHelpfull: Yes(2) No(0)
- is trial and error is the only option for this type of questions??
- 9 years agoHelpfull: Yes(1) No(0)
- As it is 5
- 9 years agoHelpfull: Yes(1) No(0)
- I started my thought process with a 2 digit number.
11=1*1=1 which is a factor of 11
12=1*2=2 which is a factor of 12
15=1*5=5 which is a factor of 15
Similarly, I get 24 and 36.Therefore,My Ans is 5. - 6 years agoHelpfull: Yes(1) No(0)
- for two digit numbers starting from 11 and goes to 99
we found that their are total of 9 such numbers whose product of their digits is a factor. - 9 years agoHelpfull: Yes(0) No(12)
- can anyone tell me how many correct answers should be there in elitmus to get 80%le? In some websites it is showing that exat 4 correct answers are enough to get good %le but in elitmus query it is showing that %le depends on how many qustns u solvd correctly more than others... please clear my doubt i hav xam on next sunday...
plz rply - 9 years agoHelpfull: Yes(0) No(3)
- @Pawan....thanx friend....
- 9 years agoHelpfull: Yes(0) No(0)
- why not 1*3=13
1*7=17
- 9 years agoHelpfull: Yes(0) No(1)
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