Latest Infosys Aptitude Question SOLUTION: A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters ar

• Placement Papers
• /
• Infosys
• /
• HR Interview
• /
• Interview

Infosys Question Papers: Infosys Interview Experience(10) INFOSYS Company Profile

(#M40000737) INFOSYS HR Interview question Keep an EYE

A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?

Asked In Infosys Yashar (13 years ago)

Solved Mudit Bahedia Read Solution (10)

Is this Puzzle helpful?   (142)   (27) Submit Your Solution Interview

Read Solution (10) :

sneha  (13 years ago)

answer:4 brothers and 3 sisters
let no. of girls=g n boys=b
b=g+1 ..........(i) as each boy have equal no. of sisters and brothers and he is not included in brothers.so,1 is for him in g+1.
now ,
b=2(g-1)........(ii) as each girl have g-1 sisters.
solving (i) and(ii) we get g=3 and b=4

Is this solution Helpfull? Yes (78) | No (8)  

Mudit Bahedia  (13 years ago)

We can easly obtain solution by imagining that boys are 4.
Then each boy will have 3 bros and 3 sis.
While each girl will have 2 sis and 4 bros that is twice of girl.

Is this solution Helpfull? Yes (22) | No (19)  

Rahul Rathod  (9 years ago)

4 brothers, 3 Sisters

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

Chirag Ranjan Lahiri  (9 years ago)

4 brothers, 3 Sisters

Is this solution Helpfull? Yes (3) | No (1)  

guru  (5 years ago)

b=s+b
g=2b+s
Adding (b+g)
b+g=s+b+2b+s
=2s+3b
Adding that each boy and girl
so answer is
3s+4b
=

Is this solution Helpfull? Yes (2) | No   

sireesha  (9 years ago)

Brothers-4,sisters-3 total-7

Is this solution Helpfull? Yes | No   

Aisshwaryah S  (9 years ago)

4 boys ,3 girls

Is this solution Helpfull? Yes | No (1)  

vinod  (9 years ago)

4 brothers and 3 sisters ,try on your own based on given conditions

Is this solution Helpfull? Yes | No (1)  

dokku vasu yadav  (7 years ago)

how can it is possible whether it is not given any particular number of children

Is this solution Helpfull? Yes | No (1)  

Sasirekha  (6 years ago)

answer:4 brother and 3 sister
for each boy has 3 bro and 3 sis , for girl has 2 sis and 4 bro so condition satisfied

Is this solution Helpfull? Yes | No   

Please Login to Read Solution.