৫৮৮৩
______is a network topology in which each network component is physically connected to a central node such as a router, hub, or switch.
উত্তর
Star topology
৫৮৮৪
A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is :
উত্তর
45 : 56
৫৮৮৫
If A and B together can complete a work in 18 days. A and C together in 12 days and B and C together in 9 days, then B alone can do the work in :
উত্তর
24 days
৫৮৮৬
If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?
উত্তর
60
৫৮৮৭
In a 729 liters mixture of milk and water, the ratio of milk to water is 7 : 2. To get a new mixture containing milk and water in the ratio of 7 : 3, the amount of water to be added is :
উত্তর
81 Liters
৫৮৮৮
Kamal started a business investing Tk. 9000. After five months, Sameer joined with a capital of Tk. 8000. If at the end of the year, they earn a profit of Tk. 6970, then what will be the share of Sameer in the profit?
উত্তর
TK. 2380
৫৮৮৯
The angle of elevation of a ladder leaning against a wall is 60⁰ and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is :
উত্তর
9.2 m
৫৮৯০
Father is aged three times more than his son Ronit. After 8 years, he would be two and a half times of Ronit’s age. After further 8 years, how many times would he be of Ronit’s age?
উত্তর
2 times