১৮৯০১
Find the compound interest on Tk 20,000 at 5% per annum for 2 years compounded annually.
উত্তর
Tk 2,050
১৮৯০২
If a train 200m long passes a signal post in 12 seconds, what is its speed in km/h?
উত্তর
60 km/h
১৮৯০৫
Find the area of an isosceles triangle with equal sides 5 cm and base 6 cm.
উত্তর
12 cm²
১৮৯০৭
A train running at 72 km/h passes a standing pole in 12 seconds. Find length of the train.
উত্তর
240 m
১৮৯০৮
An article bought for Tk 2,500 is sold at a profit of 12%. Find the selling price.
উত্তর
Tk 2,800
১৮৯১০
The average of 5 numbers is 27. If one number is excluded, the average becomes 25. Find excluded number.
উত্তর
35