১৯০৯২
If a length of a rectangle is increased by 20% and width decreased by 10%, what is the net change in area?
উত্তর
8% increase
১৯০৯৩
If a product is bought for 500 TK and sold at 10% profit, what is the selling price?
উত্তর
550 TK
১৯০৯৬
Average age of 30 students is 15 years. Including teacher, average age is 16 years. What is teacher's age?
উত্তর
46 years
১৯০৯৭
Base of right angle triangle is 8 cm and height is 6 cm. What is hypotenuse?
উত্তর
10 cm