sum of two no is 100 and sum of their reciprocal is 4 51 if the smallest no is L

(b)
9 years agoHelpfull: Yes(1) No(3)
option a is right
9 years agoHelpfull: Yes(1) No(1)
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.
9 years agoHelpfull: Yes(1) No(1)
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
6 years agoHelpfull: Yes(1) No(0)
OPTIONS WERE:-
A)L>0,B)17
9 years agoHelpfull: Yes(0) No(0)
answer is
o
9 years agoHelpfull: Yes(0) No(0)
OPTIONS WERE:-
A)L>0,B)1725,C)2549,D)L
9 years agoHelpfull: Yes(0) No(0)
OPTIONS WERE:-
A)L>0,B)1725,C)2549,D)L
9 years agoHelpfull: Yes(0) No(0)
0
9 years agoHelpfull: Yes(0) No(0)
mukesh solution ke sath post karo
9 years agoHelpfull: Yes(0) No(0)
ans first =85 and second=15
8 years agoHelpfull: Yes(0) No(0)
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
6 years agoHelpfull: Yes(0) No(0)

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)