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Start learning 50% faster. Sign in nowPreventing soil erosion. Contour ploughing involves ploughing along the contours of the land to reduce water runoff and soil erosion.
Three individuals – Ria, Tia, and Mia – are discussing their ages. The age of Ria 8 years ago was one-third of Tia’s age 4 years from now. The tot...
In a group of 10 members, two individuals are 20 and 30 years old. Excluding these two, the average age of the remaining members increases by 1 year. De...
Currently, the average age of individuals 'A' and 'B' is 27 years. If the present ages of 'B' and 'C' maintain a ratio of 10:11, determine the age of 'C...
Seven years ago, the sum of the ages of a mother and her daughter was 46 years. The ratio of their present ages is 3 : 1. What is the present age of the...
Present ages of ‘A’, ‘B’ and ‘C’ are in the ratio 8:9:12, respectively. If present average age of ‘A’ and ‘C’ is 20 years, then find...
B is 4 years older than A and A is 8 years older than C. If the sum of the age of A and C is 22 years, then find the sum of the ages of all three.
Ratio of present ages of A and B is 6:5, respectively. C who is 6 years older than A will become 60 years older after 12 years. Find the present age of B.
Ayush's current age is 25% greater than Ayushi's, and the difference between their ages is 8 years. What will be the ratio of their ages 8 years from now?
The average age of 12 boys in a group is 8 years. If 3 more boys join the group, the average is increased by 1 year. What is the average age (in year...
