Related Questions

Fifteen percent of the people in Chittagong have unlisted phone numbers. If you select 300 names at random from the phone directory, what is the expected number of people who will have an unlisted phone unmber?
ক 15
খ 145
গ 300
ঘ None of these
Now a days, the cell phone can be a (nuisance).
ক hassle
খ noisy
গ annoying
ঘ loving
Now a days, the cell phone can be (nuisance).
ক hassle
খ noisy
গ annoying
ঘ loving
Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now?
ক 15
খ 20
গ 25
ঘ 30
Son's age is now one-third of father's age. In twelve years from now son's age will be one half of the father's age . What is the son's age in years now ?
ক 6
খ 10
গ 24
ঘ 12
Noman is 3 times as old as Abbas is now. Six years from now, he will be twice as old as Abbas will be then. How old is Abbas now?
ক 6
খ 12
গ 18
ঘ 20
A father's age is four times his son's age now. Twenty years from now, the father's age will be double his son's age. What will be the son's age ten years from now?
ক 10
খ 15
গ 20
ঘ 30
Arif in now 5 times as old as Babu, but 7 years from now he will be 3 times as old as Babu. How old is Arif now?
ক 7
খ 8
গ 9
ঘ 11
Arif is now 5 times as old as Babu, but 7 years now he will be 3 times as old as babu. How old is Arif now?
ক 7
খ 8
গ 9
ঘ 11
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
ক 3, 3, 1, 7
খ 3, 2, 1, none
গ 3, 2, 1, 7
ঘ 3, 3, 2, none
ঙ All of the above

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