১৮৮৪৩
If the perimeter of a rectangle is 34 cm and its length is 10 cm, what is its area?
উত্তর
70 cm²
১৮৮৪৯
A train running at 90 km/h crosses a platform in 20 seconds. If the train is 300 m long, find platform length.
উত্তর
200 m
১৮৮৫০
An item bought for Tk 1,500 is sold for Tk 1,800. Find the profit percentage.
উত্তর
20%