৪৫৪১
a, b,c are positive numbers such that 3a=4b=5c. If a+b =kc, what is the value of K?
উত্তর
12/35
৪৫৪২
If x +y =a, Y +z=b and x +z =c what is the average (arithmetic mean ) of x, y and z?
উত্তর
(a+b+c)/2
৪৫৪৩
A person spends 20 percent of his monthly salary for his son's education. In the coming month, he is expected to get an increment of TA. 170 and he plans to spend half of that increment also for his son's education would be TA. 645. what is the present salary of that person?
উত্তর
Tk. 2456
৪৫৪৪
9 men went to a restaurant together. 8 of them spent Tk. 3 each over their meals and the 9th man spent Tk. 2 more than the average expenditure of all the 9 men. Find out the total money spent by the 9 men?
উত্তর
Tk. 28.25
৪৫৪৫
An investor has a total capital of TA. 13,00,000 He invested a part of it in 3 percent annual interest and the reminder at 4 percent annual interest rate. If his annual interest amount was Tk. 44.00 how much did he invest in each?
উত্তর
Tk. 9,00,000 in 3% and 4,00,000 in 4%
৪৫৪৬
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 nuns. what is his highest score?
উত্তর
182
৪৫৪৭
The ratio of working hours of three workers is 1: 2: 5. If they worked on a combined total of 112 hours , what is the longest hour did one worker work?
উত্তর
70
৪৫৪৯
A triangle has an angle of 82 degree The ratio of the other two angles is 2: 5 what is the smallest angle of the triangle?
উত্তর
98 degree
৪৫৫০
If the radius of a circle is increased by 6% , then the arca of the circle is increased by:
উত্তর
12.36%