Latest Elitmus Aptitude Question SOLUTION: Atul and Bhavi were playing a game of finding a number Atul will give a clue to Bhavi and Bhavi had to find that number the clues were ? 1. It is a 3 digit number 2. The number sta

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(#M40036501) ELITMUS Numerical Ability question problemsolving Keep an EYE

Atul and Bhavi were playing a game of finding a number Atul will give a clue to Bhavi and Bhavi had to find that number the clues were ?
1. It is a 3 digit number
2. The number starts with a digit 1
3. The product of the number is the factor of that number.

Q. How many numbers or combinations are possible?
A) 7
B) 8
C) 11
D) 13

Q. What is the sum of the digit of the highest number so formed ?
a)12
b)14
c)13
d)17

Asked In Elitmus shaik khader (10 years ago)

Unsolved Read Solution (12)

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Read Solution (12) :

raushan kumar  (10 years ago)

111,112,115,128,132,135,144,175 total 8 numbers
and sum of highest number is 13...
solution start from 2nd question ..
try from the given options
(A)12= 1+6+5 ,1+7+4 ........ as show on check.
.
.
(c)13= 1+7+5= 175%35 =0 checking all options highest number is 175.

for question 1. we conform that from Q2 number between 111 to 175
check the all number and formed the total 8 number for given condition...

Is this solution Helpfull? Yes (24) | No (7)  

ReshmaManu  (9 years ago)

@Harsha not like that....
The product of the number is the factor of that number it means
1*1*1=1
111/1=111
1*1*2=2
112/2=56
1*1*3=3
113/3=37.666//neglecting number
1*1*4=4
114/4=28.5//neglecting number
1*1*5=5
115/5=23
1*2*8=16
128/16=8 this is the way we can solve the problem totally 8 numbers are got from given condition.

Is this solution Helpfull? Yes (7) | No   

parash  (8 years ago)

Ans 1.
SI No. possible comb. product of no. factor of no.

1. 111 1x1x1=1 1
2. 112 1x1x2=2 2
3. 115 1x1x5=5 5
4. 128 1x2x8=16 16
5. 132 1x3x2=6 6
6. 135 1x3x5=15 15
7. 144 1x4x4=16 16
8. 175 1x7x5=35 35

Hence, there are only 8 combination of nos. are possible whose product is equal to factor of the respective no.


Ans 2. The sum of the highest digits number so formed = 175 (i.e 1+7+5)=13

Is this solution Helpfull? Yes (6) | No   

prateek  (10 years ago)

what about 102,105 etc

Is this solution Helpfull? Yes (2) | No (5)  

paro432  (10 years ago)

2nd question answer is sum of the digit of the highest number is 1+7+5(175)=13
1st queston answer is
number is 111,112,115,128,132,144,175
total 7 number is formed

Is this solution Helpfull? Yes | No (3)  

divyang patel  (10 years ago)

plz explain yaar

Is this solution Helpfull? Yes | No   

HARSHA   (10 years ago)

i got it

111 multiply last 2 digits 1x1=1 it divides 111
112 1x2=2 it divides 112
115 1x5=5 it divides 115
like that 128,132,144,175

so total 8 numbers like that hence for a)8 for b)13

Is this solution Helpfull? Yes | No (3)  

pravind kumar  (10 years ago)

numbers are: 111,112,115,128,132,135,144,175
that is there are 8 nos.
we have to properly check all possibilities one by one.
sum of the digit of the highest no.-13

Is this solution Helpfull? Yes | No   

Praketa Saxena  (10 years ago)

@prateek coz man the product of those numbers is 0 which is not a factor of the original number hehe

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aftab ahmed  (10 years ago)

@Raushan kumar ..plz explain it

Is this solution Helpfull? Yes | No (1)  

anan kumar  (9 years ago)

all the above are not good solutions plz give me the tricks

Is this solution Helpfull? Yes | No (1)  

Satyajit Jana  (8 years ago)

http://www.m4maths.com/frequently-asked-placement-questions.php?ISSOLVED=&page=11&LPP=10&SOURCE=elitmus&MYPUZZLE=&UID=&TOPIC=Numerical%20Ability&SUB_TOPIC=Number%20System

Is this solution Helpfull? Yes | No (13)  

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