IBM Company Numerical Ability Data Sufficiency

What will be the ratio between ages of Sam and Albert after 5 years?
I.Sam's present age is more than Albert's present age by 4 years.
II.Albert's present age is 20 years.
III.The ratio of Albert's present age to Sam's present age is 5 : 6.

A. Any two of I, II and III
B. II only
C. III only
D. I or III only
E. II or III only

Read Solution (Total 2)

ans--- A
take I and II, let age of sam and albert is S & A respectively.
S-A=4 and A=20 so,S=24.....
take II and III,A=20, A/S=5/6 so 20/S=5/6 and S=24.... similarly for I and III
11 years agoHelpfull: Yes(4) No(0)

Ans is E

5/11 *x=20
x=44,albert age=20,sam,s age is=24
11 years agoHelpfull: Yes(0) No(5)

IBM Other Question

What is the difference between the present ages of Ayush and Deepak?
I. The ratio between Ayush's present age and his age after 8 years 4:5.
II.The ratio between the present ages of Ayush and Deepak is 4 : 3.
III.The ratio between Deepak's present age and his age four years ago is 6 : 5.

A. Any two of I, II and III
B. I or III only
C. Any one of the three
D. All I, II and III are required
E. Even with all I, II and III, the answer cannot be obtained. What is Ravi's present age?
I.The present age of Ravi is half of that of his father.
II.After 5 years, the ratio of Ravi's age to that of his father's age will be 6 : 11.
III.Ravi is 5 years younger than his brother.

A. I and II only
B. II and III only
C. I and III only
D. All I, II and III
E. Even with all the three statements answer cannot be determined.