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Exercise
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1- The ratio between the present ages of P and Q is 6:7. If Q is 4 years old than P. What will be the ratio of the ages of P and Q after 4 years?
- A.6 : 7
- B.7 : 8
- C.8 : 9
- D.Data inadequate
- E.None of these
2- The Average age of a class of 22 students is 21 years. The average increased by 1 when the teacher’s age also included. What is the age of the teacher?
- A.41
- B.42
- C.44
- D.45
- E.None of these
3- At present, the ratio between the ages of Arun and Deepak is 4:3. After 6 years, Arun’s age will be 26 years. What is the age of Deepak at present?
- A.12
- B.15
- C.18
- D.20
- E.None of these
4- A father is twice as old as his son. 20 years ago, the age of the father was 12 times the age of the son. The present age of the father (in years) is:
- A.40
- B.43
- C.45
- D.46
- E.None of these
5- Ten years ago, Kumar was thrice as old as Selva was but 10 years hence, he will be only twice as old. Find Kumar’s present age?
- A.30
- B.32
- C.34
- D.36
- E.None of these
6- Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively, What is Anand’s present age in years?
- A.22
- B.24
- C.26
- D.30
- E.None of these
7- A father is four times as old as his son today. After 20 years, he would be just twice as old. At the time of birth of his son, how much old must the father be?
- A.28
- B.30
- C.32
- D.35
- E.None of these
8- The total of the ages of Jayant, Prem and Saransh is 93 years. Ten years ago, the ratio of their ages was 2 : 3 : 4. What is the present age of Saransh?
- A.35
- B.36
- C.37
- D.38
- E.None of these
9- Sushil was thrice as old as Snehal 6 years back. Sushil will be 5/3 times as old as Snehal 6 years hence. How old is Snehal today?
- A.10
- B.11
- C.12
- D.13
- E.None of these
10- The ages of Kamaraj and Deenan differ by 16 years, Six years ago, Mohan’s age was thrice as that of Kamaraj’s find their present ages of Mohan?
- A.14
- B.16
- C.20
- D.30
- E.None of these