Aptitude: Problems of Ages

What is the formula to calculate a person's age after n years if their current age is X?

• X - n

• X + n

• X / n

• nX

If the present age of a person is X, what will be their age n years ago?

• X / n

• nX

• X - n

• X + n

In a ratio of ages A:B, how can we express the ages in terms of a variable X?

• A * B

• A - B

• A + B

• AX and BX

What is the present age of John if 10 years later his age will be 5 times his age 6 years ago?

• 10 years

• 15 years

• 20 years

• 25 years

If the ratio of Parul and Atima's ages was 5:6 one year ago, what will be Atima's present age if the ratio becomes 6:7 after 4 years?

• 35 years

• 31 years

• 26 years

• 25 years

How many years ago was the age ratio of Shivani and Ritu 4:6 if Shivani is currently 60 years old and Ritu is 80 years old?

• 15 years

• 10 years

• 20 years

• 25 years

What is the present age of Aradhana if her age and Aadrika's age are in the ratio 3:4 and 5 years back the ratio was 2:3?

• 15 years

• 12 years

• 20 years

• 22 years

If the total ages of Iqbal and Shikhar is 12 years more than the total age of Shikhar and Charu, how many years younger is Charu than Iqbal?

• 17 years

• 11 years

• 13 years

• 15 years

What is the age of the youngest child if the sum of ages of 5 children born at intervals of 3 years each is 50 years?

• 4 years

• 8 years

• 10 years

• 12 years

What is Anand's present age if the present ages of Sameer and Anand are in the ratio of 5:4 and three years hence the ratio will be 11:9?

• 27 years

• 33 years

• 24 years

• 30 years