যদি একটি সংখ্যার ৩০ শতাংশের ১৫ শতাংশ ১৮ হয় , তবে সংখ্যাটি কত?
Created: 7 months ago | Updated: 2 months ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 31.12.2010 গণিত
438
Add Description

ধরি, সংখ্যাটি x। সংখ্যাটির ৩০% এর ১৫% সমান ১৮।

আমরা একটি অপর পদ্ধতি ব্যবহার করতে পারি:

সংখ্যাটির ৩০% হলে (0.30x)। এই সংখ্যার ১৫% হলে (0.15 \times 0.30x = 0.045x)। এটি সমান ১৮।

তাহলে, আমরা লেখতে পারি:

[0.045x = 18]

[x = \frac{18}{0.045} = 400]

সংখ্যাটি ৪০০।

 

1 year ago
0 0
শেরপুর

Related Questions

A person travels a distance of 25 km at a speed of 75 km/hr and then comes back at twice the speed. How many minutes did he take in total?

Created: 8 months ago | Updated: 2 months ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 2015 গণিত
971
Add Description

Of the 65 cars on a car lot, 45 have air conditioning, 30 have power windows, and 12 have both air conditioning and power windows. how many of the cars on the lot have neither air conditioning nor power windows?

Created: 7 months ago | Updated: 2 months ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011 গণিত
1119
Add Description

A stock decreases in value by 20%. By what percentage must the stock price increase to reach its former value?

Created: 7 months ago | Updated: 2 months ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011 গণিত
1267
Add Description

An author received Taka 0.80 in royalties for each of the first 100,000 copies of his book sold, and Taka 0.60 in royalties for each additional copy sold. If he received a total of Taka 260,000 in royalties, how many copies of his book were sold?

Created: 7 months ago | Updated: 2 months ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011 গণিত
859
Add Description

If 8 dozens of bananas are purchased at the rate of Taka 30 per dozen and 12 dozens are purchased at Taka 25 per dozen, what rate per dozen it should be sold to make a profit of Taka 3 per dozen?

Created: 7 months ago | Updated: 2 months ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011 গণিত
797
Add Description