১৭৫৭৩
The difference between a two-digt number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the dusts of the number is 1 : 2?
উত্তর
8
১৭৫৭৪
A person invests Tk. 2400 in a bank at 5% interest. How much additional money must the person at 8% interest so that the total annual income will be equal to 6% of the entire investment?
উত্তর
Tk. 1200
১৭৫৭৬
It is given that the weight of an empty box is 1000 gm and the total weight of the hers when filled with apples and mangoes is 10kg. If there are 3 dozens of apple in the box and the weight of each apple is 200 gm whereas the weight of every mango is 300 gm, then, find out the total number of mangoes in the box.
উত্তর
6
১৭৫৭৭
An investor sells 3000 shares at a market value of Tk. 8.80 per share and pays 12.5% of the gross proceeds from sales as brokerage fees. The investor purchased the shares 3 years ago at Tk. 1000 per share including the brokerage fees. What will be the net profit or loss for that investor?
উত্তর
Tk. 6900 loss
১৭৫৭৮
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
উত্তর
120 kmph
১৭৫৭৯
A can contains a mixture of two liquids A and B at the ratio 7 : 5. When 9 liters of mixture are drawn off and the can is filled with liquid B, the ratio of A and B becomes 7 : 9, How many liters of liquid A was contained by the can initially?
উত্তর
21
১৭৫৮০
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds, is:
উত্তর
3 : 2