১২০৮১
A sum of money at simple interest amounts to Tk 815 in 3 years and to Tk 854 in 4 years. The sum is _______
উত্তর
Tk. 698
১২০৮৪
The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y?
উত্তর
20
১২০৮৫
The ages of A and B are in the ratio 6 : 5 and the sum of their ages is 44 years. What will be the ratio of their ages after 8 years?
উত্তর
8 : 7
১২০৮৬
The cost price of an article is Tk 7840. What should be the selling price of the article so that there is a profit of 7%?
উত্তর
Tk 8388.80
১২০৮৭
30 men can do a piece of work in 16 days. How many men would be required to do the same work in 20 days?
উত্তর
24
১২০৮৮
If the square of an odd natural number is divided by 8, then the remainder will be ___
উত্তর
1