Reference : Ages
Q1. The average age of a group of 5 friends is 24 years. If a new friend joins and the average age becomes 23 years, what is the age of the new friend?
20 years
18 years
19 years
17 years
Q2. The ages of three friends are in the ratio 3:4:5. Ten years ago, the ratio of their ages was 1:2:3. What is the current age of the youngest friend?
35 years
25 years
30 years
20 years
Q3. A man's age is 3 times his son's age. After 5 years, the sum of their ages will be 70 years. What is the current age of the son?
10 years
20 years
25 years
15 years
Q4. The average age of a group of 8 people increases by 2 years when a new person joins. If the new person is 30 years old, what was the original average age of the group?
28 years
24 years
26 years
22 years
Q5. A father is 24 years older than his son. After 6 years, the father will be twice as old as his son. What are their current ages?
Father: 48, Son: 24
Father: 40, Son: 16
Father: 44, Son: 20
Father: 42, Son: 18
Q6. The ages of three friends are consecutive integers. Ten years ago, the sum of their ages was 45. What are their current ages?
27, 28, 29
24, 25, 26
26, 27, 28
25, 26, 27
Q7. A person's age is a two-digit number. If the digits are reversed, the new number is 9 years less than the original age. What is the person's age?
72 years
54 years
63 years
65 years
Q8. The average age of a class of 40 students is 15 years. If the teacher's age is added, the average becomes 16 years. What is the teacher's age?
70 years
60 years
65 years
55 years
Q9. A father is 4 times as old as his son. After 5 years, the father will be 3 times as old as his son. What are their current ages?
Father: 48, Son: 12
Father: 45, Son: 15
Father: 50, Son: 12
Father: 40, Son: 10
Q10. Three friends A, B, and C have ages in the ratio 3:4:5. The sum of their ages is 36. What are their individual ages?
15, 20, 25
12, 16, 20
6, 8, 10
9, 12, 15
*Other References : *
AP & GP : Link
Area : Link
Average : Link
Boat & Stream : Link
Compound Interest : Link
Height & Distance : Link
LCM & HCF : Link
Logarithm : Link
Percentage : Link
Profit & Loss : Link
Ratio & Proportion : Link
Simple Interest : Link
Speed Distance : Link
Time & Work : Link
Trains Problem : Link
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