Latest Elitmus Aptitude Question SOLUTION: sum of two no is 100 and sum of their reciprocal is 4/51 , if the smallest no is L then which of the following is true , ( i forgot the options)

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(#M40038843) ELITMUS Numerical Ability question Number system 31 aug 2014 Keep an EYE

sum of two no is 100 and sum of their reciprocal is 4/51 , if the smallest no is L then which of the following is true , ( i forgot the options)

Asked In Elitmus rahul kumar (10 years ago)

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Read Solution (13) :

chandan  (10 years ago)

85+15=100
(1/85)+(1/15)=4/51

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Gaurav Kumar  (10 years ago)

(b)

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MUKESH YADAV  (10 years ago)

option a is right

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pankaj narayan  (10 years ago)

4/51 * 100/100 = 400/5100 =100/1275
Now 85 *15 = 1275
which satisfies both the equations.
Easiest way to solve it without solving algebraic equations.

Is this solution Helpfull? Yes (1) | No (1)  

sachin Bohra  (7 years ago)

x+y=100

1/x+1/y=4/51

so xy=1275

now factor of 1275=5*5*3*17

so the lowest no. can be 5,3,25,17,15

1. if l=5 then other no. will be 5*3*17
2. if l=3 then other no. will be 5*5*17
3. if l=15 then other no. will be 5*17
4. if l=25 then other no. will be 3*17
5. if l=17 then the other no. will be 5*5*3

now looking at all the above condition
condition 3 satisfy the equation

x+y=100;

15+85=100

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vikas kumar rai  (10 years ago)

OPTIONS WERE:-
A)L>0,B)17

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Arpit Gupta  (10 years ago)

answer is
o

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vikas kumar rai  (10 years ago)

OPTIONS WERE:-
A)L>0,B)1725,C)2549,D)L

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vikas kumar rai  (10 years ago)

OPTIONS WERE:-
A)L>0,B)1725,C)2549,D)L

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Dheeraj Bhatia  (10 years ago)

0

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Abhishek Mishra  (10 years ago)

mukesh solution ke sath post karo

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jalaj gupta  (9 years ago)

ans first =85 and second=15

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sachin Bohra  (7 years ago)

x+y=100

1/x+1/y=4/51

so xy=1275

now factor of 1275=5*5*3*17

so the lowest no. can be 5,3,25,17

1. if l=5 then other no. will be 5*3*17
2. if l=3 then other no. will be 5*5*17
3. if l=15 then other no. will be 5*17
4. if l=25 then other no. will be 3*17

now looking at all the above condition
condition 3 satisfy the equation

x+y=100;

15+85=100

Is this solution Helpfull? Yes | No   

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