৩১৪৩১
A retail buyer purchase 15 white dress shirts for Tk. 1000 and 5 striped dress shirts Tk. 400. At what average price the retailer should sell a dress shirt if he wants to make a proftit of Tk. 50 each shirt?
উত্তর
110
৩১৪৩২
A number is multiplied by 4 and then the product is divided by 100. This same result can be obtained if the original number divided by-
উত্তর
0.04
৩১৪৩৩
The average of 10 integers is -16. If the sum of 6 of them is 100, what is the average of the other 4?
উত্তর
-50
৩১৪৩৫
Rahim's father has five sons. Four of them are named as Ten,Twenty,Thirty and Forty. What is the fifth son's name?
উত্তর
Fifty
৩১৪৩৬
Sumon attends his school from 9.00am to 3.00pm every day except Thursday. At home Sumon learns music only on Monday from 3.30 pm to 4.30 pm. On Tuesday he goes to swimming classes from 4.00 pm to 6.00 pm. He practices art from 4.00 pm to 6.00 pm only on Wednesdays. He remains in school after dismissal on Saturdays to participate in a 90 minute club program. The most convenient afternoon for Sumon to stay in the library is.....................?
উত্তর
Thursday
৩১৪৩৭
Sumon attends his school from 9.00am to 3.00pm every day except Thursday. At home Sumon learns music only on Monday from 3.30 pm to 4.30 pm. On Tuesday he goes to swimming classes from 4.00 pm to 6.00 pm. He practices art from 4.00 pm to 6.00 pm only on Wednesdays. He remains in school after dismissal on Saturdays to participate in a 90 minute club program. The day(s) Sumon has free to go with the friends after 4.30 pm...........................?
উত্তর
All of these three days
৩১৪৩৮
The ratio of the present ages of two brothers is 1: 2 and 5 years back, the ratio was 1: 3. What will be the ratio of their ages after 5 years?
উত্তর
3 : 5