an increase of 1%
an increase of 99%
a decrease of 11%
প্রশ্নঃ If the price of an item is increased by 10% and then decreased by 10%, the net effect on the price of the item is --
Let, price of the item = Tk.100
After 10% increase the price become = (100+10) = Tk.110
Then, after 10% decrease new price = 110 - 10/100×110 = Tk.99
Net decrease = 100 - 99 = Tk.1
প্রশ্নঃ If interest on a savings account is paid monthly at an annual rate of percent and if the interestis not reinvested, then in how many years will the total amount of interest earned equal the amount of money saved in the account?
Here, Interest = Principal
We know, Interest = (prinicpal×time×rate)p/100
Interest = (interest × time ×61/4o/100
time = 100×4/25
Time = 16 years
The mind has a much greater capacity for memory than was previously believed
The physical basis for memory is clear .
Different points of view are valuable.
Human memory is inefficient .
By electric stimulation
By chemical Stimulation
Can understood by examining the physiology
Is stimulated by patterns of activity
Has a limited combination of relationships
Is not influenced by repetition
প্রশ্নঃ In a certain community, property is assessed value. if a tax payer is assessed TK. 240 per quarter in property taxes, what is the appraised value of the property?
Total tax of assessed = ( 240×4) Tk. = 960Tk.
Tk. 4 is tax of Tk. 100
Tk.960 is tax of Tk. ( 100/4 ×960) = 24000 Tk.
So, 60% of x = 24000Tk.
60x×x /100 = 24000
x = 2400000/60 = 40000 Tk.
3minutes 30 seconds
3minutes 20 seconds
প্রশ্নঃ Rashed can stuff advertising circulars into envelopes at the rate of 45 envelopes per minute and Reena require a minute and a half to stuff the same number of envelopes. Working together, how long will it take Rashed and Reena to stuff 300 envelopes?
প্রশ্নঃ At a certain party attended by 32 people, 24 werw students. If 12 of those in attendance were woman, and if 6 of the women in attendance were students, then how many of the men who attended the party were not students?
George Barnard Shaw
A Persian poet
Well known for his epic 'Shahnama'
Both a and b
None of the above