১৮৮৭২
Find the compound interest on Tk 10,000 at 10% per annum for 2 years compounded annually.
উত্তর
Tk 2,100
১৮৮৭৩
If a train 150m long crosses a 250m long tunnel in 20 seconds, what is its speed in km/h?
উত্তর
72 km/h
১৮৮৭৬
Find the area of a right-angled triangle with hypotenuse 10 cm and base 6 cm.
উত্তর
24 cm²
১৮৮৭৮
A 200m long train running at 54 km/h crosses a bridge in 30 seconds. Find bridge length.
উত্তর
250 m
১৮৮৭৯
An item bought for Tk 2,000 is sold at a loss of 10%. Find the selling price.
উত্তর
Tk 1,800