Infosys Company Verbal Ability

Q. There are two families Alens and smiths. They have two children each. There names are A,B,C,D whose ages are different and ages are less then or equal to 11. The following conditions are given:-
i) A's age is three years less then his brother's age .
ii) B is eldest among the four.
iii) C is half the age of the eldest in Alens family.
iv) The difference in sum of the ages of Alens children and smiths children is same as that of five years ago.
Find the ages of all the children.

Read Solution (Total 3)

B- 10, D-9, A-6, C-5
soln- (B+C)- (A+D)=0
[(B-5)+(C-5)]-[(D-5)+(A-5)]=0
11 years agoHelpfull: Yes(12) No(5)

how? cant we take a with b as a combination
11 years agoHelpfull: Yes(2) No(1)
jitendra can you explain it?
11 years agoHelpfull: Yes(1) No(1)

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Q. There are 5 persons a,b,c,d,e and each is wearing a block or white cap on his head. A person can see the caps of the remaining four but can't see his own cap. A person wearing white says true and who wears block says false.
i) a says i see 3 whites and 1 block.
ii) b says i see 4 blocks.
iii) e says i see 4 whites.
iv) c says i see 3 blocks and 1 white. Now find the caps weared by a,b,c,d and e