১৩৭৫১
A wholesaler bought 1200 radios for Tk. 18 each. The wholesaler sold 60 percent of the radios for Tk. 30 each and the rest for Tk. 15 each. What is the wholesaler's average (arithmetic mean) profit per radio?
উত্তর
Tk. 6
১৩৭৫২
If a person walks at 14 km/hr instead of 10 km/hr, he can cover 20 km more. The actual distance travelled by him is -
উত্তর
50 km
১৩৭৫৩
Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons will be increased by-
উত্তর
1/7
১৩৭৫৪
Present age of Fariha is thrice the present age of Samira who is 20. How many years ago was the age of Fariha five times that of Samira?
উত্তর
10
১৩৭৫৫
The average of 8 numbers is 8. If 4 is subtracted from each of 6 of these numbers, what is the new average?
উত্তর
5
১৩৭৫৭
The sum of four consecutive multiples of 4 is 200. What is the largest number?
উত্তর
56
১৩৭৫৮
A rectangular field is 3.2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area of the field in square yards?
উত্তর
7.68
১৩৭৫৯
When the price of each book goes up by Tk. 5, the librarian purchases 20 books less than the required number for Tk. 1200. The original price of the book was
উত্তর
15 Tk.
১৩৭৬০
At what rate of compound interest per annum will a sum of Tk. 1800 become Tk. 3042 in two years?
উত্তর
30%