১২০৫১
In a business A and C invested amounts in the ratio 2 : 1 whereas A and B invested amounts in the ratio 3 : 2 . If their annual profit be Tk. 157300, then B's share in the profit is -
উত্তর
Tk. 48400
Tk. 48400
১২০৫২
The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees.
উত্তর
32
১২০৫৩
A person travels a certain distance at 3 km/hr and reaches 15 min late. If he travels at 4 km/hr, he reaches 15 min earlier. The distance he has to travel is -
উত্তর
6 km
১২০৫৪
The difference between the radii of a bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2 . Radius of the smaller circle is -
উত্তর
5 cm
১২০৫৫
A sum fetches a simple interest of Tk. 6000 at the rate of 5% p.a. in 6 years. What would be the compound interest earned at the same rate of interest and the same principal in 2 years?
উত্তর
Tk. 2050
১২০৫৬
Alam sold an item for Tk. 6,384 and incurred a loss of 30%. At what price should he have sold the item to have gained a profit of 30% ?
উত্তর
Tk. 11,856
১২০৫৭
Kiran purchased a scooter for Tk. 52000. He sold it at loss of 10%. With that money be purchased another scooter and sold it at profit of 20%. What is his overall loss/profit?
উত্তর
Tk. 4160 profit
১২০৫৮
A square is inscribed in a circle of diameter 2a and another square is circumscribing circle. The difference between the areas of outer and inner squares is -
উত্তর
2a2
১২০৫৯
The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is -
উত্তর
24
১২০৬০
A batsman has a certain average of runs for 12 innings. In the 13th inning, he scores 96 runs thereby increasing his average by 5 runs. what is his average after the 13 innings ?
উত্তর
36