১৯৮০২
A father is 61 and his son is 16. In how many years will the father be twice as old a his son?
উত্তর
29
১৯৮০৩
The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:
উত্তর
82%
১৯৮০৪
In a mixture of 50 liters, milk and water are in the ratio of 3: 2. How much water should be added to the mixture to make the ratio of the two equal?
উত্তর
10 liters
১৯৮০৫
A dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of the dog is equal to 4 leaps of the hare. Compare their speeds:
উত্তর
16 : 15
১৯৮০৬
১৯৯৪ সালের ১ ডিসেম্বর বৃহস্পতিবার হলে, ১৯৯৫ সালের ঐ একই তারিখে হবে -----
উত্তর
শুক্রবার
১৯৮০৮
A sum of money at simple interest amounts to Tk. 2800 in 2 years and to Tk. 3250 in 5 years at a rate of:
উত্তর
6%
১৯৮০৯
A dishonest shopkeeper professes to sell ghee at his cost price. But he uses a false weight of 950g for a kilogram. His gain percentage is:
উত্তর
5.26
১৯৮১০
Increasing the original price of an item by 10%, then decreasing by 20% and then again increasing the price by 10% is equivalent to:
উত্তর
3.2% decrease