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- Question
The average age of a class of 6 girls is x years. Four new girls having ages x ? 2, x + 2, x + 4 and x + 6 joins the class. What is the new average age (in years) of the class?
Options- A. x + 1
- B. x + 2
- C. 2.5x
- D. x + 2.5
- Correct Answer
- x + 1
- 1. 5 year hence, ratio of ages of A and B will be 7 : 5 and difference between their ages will be 4 years. What are present ages (in years) of A and B respectively?
Options- A. 5, 9
- B. 6, 5
- C. 9, 5
- D. 9, 6 Discuss
- 2. The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age of the teachers in the school now is (in years)
Options- A. 35
- B. 36
- C. 38
- D. 39 Discuss
- 3. A mother is five times older than her daughter. After 5 years, she would be 3 times older than her daughter. Find the mother's present age.
Options- A. 20 years
- B. 22 years
- C. 25 years
- D. 29 years Discuss
- 4. Nine years later, age of B will be equal to the present age of A. Sum of A's age 3 years later and B's age 4 years ago is 76. If C is half of the present age of B, then what will be C's age (in years) after 10 years?
Options- A. 32
- B. 36
- C. 27
- D. 31 Discuss
- 5. The ages of Sunil and Anil are in the ratio 8:7, after 6 years, the ratio of their ages will be 19 : 17. What is the difference in their present ages?
Options- A. 10 years
- B. 6 years
- C. 8 years
- D. 4 years Discuss
- 6. The ratio of the present ages of Aman and Ankit is 2 : 1 and the sum of their present ages is 72 years. What will be the Aman's age (in years) after 6 years?
Options- A. 30
- B. 48
- C. 52
- D. 54 Discuss
- 7. The ratio of present ages of Ranjini and Shahid is 5:4. After 13 years the ratio of their ages will be 6:5. What is Ranjini's present age?
Options- A. 52
- B. 65
- C. 60
- D. 32 Discuss
- 8. Ratio of A's age to B's age is 4:3. 'A' will be 26 years old after 6 years. The age of B now is
Options- A. 12 years
- B. 21 years
- C. 13 years
- D. 15 years Discuss
- 9. The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.
Options- A. 30
- B. 25
- C. 35
- D. 40 Discuss
- 10. K is 5 years older to H. H is 3 years younger to R. R is 6 years older to C. C is 7 years younger to L. Who is the eldest?
Options- A. H
- B. K
- C. R
- D. L Discuss
Problems on Ages
Search Results
Correct Answer: 9, 5
Correct Answer: 38
Correct Answer: 25 years
Correct Answer: 27
Correct Answer: 4 years
Explanation:
suppose the ages of Sunil and Anil are 8x yr and 7x yr, respectively.
After 6 yr, = 136x + 102 = 133x + 114
136x ? 133x = 114 ? 102
3x = 12 X = 12/3 = 4
Age of Sunil = 8x = 8 × 4 = 32 yr
Present age Anil = 7x = 7 × 4 = 28 yr
Required difference = (32 ? 28) = 4 yr
Correct Answer: 54
Correct Answer: 65
Correct Answer: 15 years
Correct Answer: 25
Correct Answer: K
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