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2 × 1 + 1 = 3 3 × 2 – 3 = 3 3 × 3 + 5 = 14 14 × 4 – 7 = 49 49 × 5 + 9 = 254
Present age of ‘A’ is 40% more than that of ‘B’. If 11 years hence from now, ‘B’ will be 10 years younger than ‘A’, then find the sum of...
Ratio of present ages of P and Q is 2:5. After two years from now the ratio of ages of P and R will be 5:12. R is one year elder to Q. Find the present ...
Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 40 years. If their ages are in the arithmetic progression in the same order a...
Shruti's current age is 20% less than Suhana's age. Four years from now, the ratio of Suhana’s age to Shruti's age will be 11:9. What was the ratio of...
Rishi's current age is 56.25% greater than Dimple's current age. In four years, Dimple will be 20 years old. Selina is 5 years younger than Rishi, while...
The perimeter of 3 squares is 18 cm, 27 cm and 36 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
The ratio of the present ages of father and his son is 9:4. The product of their ages 3 years ago was 24 times of his son’s age that year. What was so...
The ages of A, B and C together are 54 years. B is thrice as old as A and C is 4 years older than A. What is the difference between ages of B and C?
The sum of the present ages of Tina and her father is 50 years. Tina's father is 4 years older than her mother, and two years ago, Tina's mother's age w...
A school has 8 teachers and 4 administrators. The average age of the teachers is 40 years, and the average age of the administrators is 55 years. After ...
