Related Questions

Arif starting from x goes to Y. t the same time Boby starts from Y and goes towards X. Once Arif reaches Y, he changes his direction and returns to X. Once Boby reaches X, he changes his direction and returns to Y. Throughout the journey, Arif travels at 54 kmph and Boby travels at 72 kmph. By the time they meet for the second tike, boby covers 36 km more than Arif. Find the distance (in km) between X and Y.
A 72
B 84
C 96
D None
Arif and Babu worked together to paint a house. Arif worked for 1 hour 45 minutes and Babu worked for 45 minutes. Babu's hourly rate is double the rate of Arif's. If the two toghther earned Tk 71.50, what is hourly rate of Arif in Taka?
A 20
B 22
C 22.50
D None of these
Bashar is twice as fast as Arif and Karim is three times as fast as Arif. If Bashar alone can complete a job in 12 days, how long will Bashar, Arif and Karim take to complete the same job together ?
A 3 days
B 4 days
C 6 days
D 8 days
Arif bought 17 pens of three colors black , green and red. They cost Tk 5,Tk 10 and Tk 25 each respectively . The total amount that Arif paid was Th 205. If Arif bought twice as many green pens as red pens ,how many black pens did buy ?
A 4
B 5
C 7
D None
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
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?
A 7
B 8
C 9
D 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?
A 7
B 8
C 9
D 11
If Arif were 32 years older, he would be three times as old as he is now. How old is Arif?
A 16
B 32
C 8
D 12
Arif is 4 times as old as Bobby,in 6 years, Bobby will be twice as old as Sara. Four years from now Arif will be 36 years old,how old will Sara be in 5 years?
A None
In a group of 52 persons , 16 drink tea but not coffee and 33 drink tea. How many drink coffee but not tea?
A 3
B 7
C 19
D 17

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