
In this pattern completion question, the key is to observe how the shapes are arranged and how the black and white triangles are distributed.
The top part of the image shows a sequence of triangles, and the task is to fill in the blank with the correct shape that continues the pattern.
Figure D is the correct option as it completes the pattern logically, continuing the same symmetry and structure of the previous shapes.
The correct answer is (d) Figure D.




Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?