IBM Company Numerical Ability Data Sufficiency

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.

Read Solution (Total 1)

let the ravi present age be x/2 years.then,father persent age x years.

after 5 years,the ratio of ravi's age to that of his father's age will be 6:11

((x/2)+5)/(x+5)=6/11

x=50

then ravi's present age is 25.
so correct ans is A
11 years agoHelpfull: Yes(3) No(0)

IBM Other Question

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 What is the present age of Tanya?
I.The ratio between the present ages of Tanya and her brother Rahul is 3 : 4 respectively.
II.After 5 years the ratio between the ages of Tanya and Rahul will be 4 : 5.
III.Rahul is 5 years older than Tanya.

A. I and II only
B. II and III only
C. I and III only
D. All I, II and III
E. Any two of the three
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