If the third term of an A.P. is 5 and the ratio of its 6th term to the 10th term is 7: 13, then find the sum of first 20 terms of this A.P.
Solution:
In an A.P., the first term is 2 and the last term is 29. If the sum of the terms is 155, then find the common difference of the A.P.
Solution:
More Solutions:
- The image of a point P under reflection in the x-axis is (5, -2).
- The point P (2, 3) is reflected in the line x = 4 to the point P.
- The point P (2, 4) on reflection in the line y = 1.
- The point P ( -4, -5) on reflection in y-axis is mapped on P.
- Find the coordinates of the image of (3, 1) under reflection.
- A Point P (a, b) is reflected in the x-axis to P’ (2, -3).