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Numerical Ability
Number System
If (68-a)(68-b)(68-c)(68-d)(68-e)=725
then a+b+c+d=?
Read Solution (Total 10)
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- ans is 232 or 236 or 260
725=5*5*29*1*1
725=(68-63)(68-63)(68-39)(68-67)(68-67)
so a,b,c,d,e=63,63,39,67,67
so A+B+C+D=232 or 236 or 260 - 10 years agoHelpfull: Yes(26) No(1)
- we will first break 725 in prime factor=(5*5*29*1*1) a/c to whatever factors is here
then we we will compare like
(68-63)(68-63)(68-39)(68-67)(68-67)i.e.5*5*29*1*1
a=63
b=63
c=39
d=67
and now sum is =a+ b+ c+ d=232 - 10 years agoHelpfull: Yes(11) No(0)
- answer is 311
- 10 years agoHelpfull: Yes(5) No(5)
- (68-63)*(68-63)*(68-39)*(68-67)*(68-67)
a+b+c+d=232 - 10 years agoHelpfull: Yes(2) No(0)
- Answer is 252 or 256
725=(68-63)*(68-63)*(68-63)*(68-63)*(68-67)=5*5*5*5*1=5^4*1
a=b=c=d=63
a+b+c+d=63+63+63+63=252
or
725=(68-63)*(68-63)*(68-63)*(68-67)*(68-63)=5*5*5*1*5=5^4*1
a=b=c=d=63
a+b+c+d=63+63+63+67=256 - 10 years agoHelpfull: Yes(1) No(9)
- I am not understand.... plz explain clearly..
- 10 years agoHelpfull: Yes(0) No(1)
- ans:252
here a=63,b=63,c=63,d=63 and e=68 - 10 years agoHelpfull: Yes(0) No(1)
- 725/5=145 A=5 (5*5*29*1=725) A=68-5=63
145/5=29 B=5 B=68-5=63
29/29=1 C=29 C=68-29=39 63+63+39+67=232
1/1=1 D=1 D=68-1=67 ANSWER IS 232
(68-63)*(68-63)*(68-39)*(68-67)=725
- 10 years agoHelpfull: Yes(0) No(0)
- 1+1+1+43=46
- 10 years agoHelpfull: Yes(0) No(1)
- 67+67+67+39=240
- 10 years agoHelpfull: Yes(0) No(0)
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