1a. The present age of a father and his son is in the ratio 10:3, if the son is15years old now in how many years will the ratio of their ages be 2:1?
1b. The arithmetic mean of x, y,and z is 6 while that of x, y, z, t, u, v and w is 9. Calculate the arithmetic mean of t, u, v and w.
2a. Solve the equation
1/x + 1/y = 5 and
1/y - 1/x = 1.
2b. The first term of an AP is 8. The ratio of the 7th term to the 9th term is 5:8, find the common difference of the AP.?
In Mathematics
3 Answers Available
Asked by habib on 8th April, 2020
Ask Your Own Question
Quick Questions
See More Mathematics Questions
Answers ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}