৬৭৪১
How much water should be added to 50 kg of pure milk to gain 12% profit when selling the mixture at the price of pure milk?
উত্তর
6 liters
৬৭৪৩
Arif bought a ticket of a cricket match for Tk. 25 and later sold the ticket to Rafi for Tk. 75. What was the percent increase in the price of the ticket?
উত্তর
200%
৬৭৪৪
A sum of money is to be divided among P, Q, R, S in the ratio 7 : 3 : 5 : 2. If R gets Tk. 2000 more than S, what is Q's share?
উত্তর
TK. 2000
৬৭৪৫
In a mixture of milk and water, the ratio is 5 : 3. If 4 liters of water is added, the new ratio becomes 5 : 4. What was the original amount of milk in the mixture?
উত্তর
20 liters
৬৭৪৬
A man bought a book for Tk. 360 after getting a 20% discount. What was the original catalog price of the book?
উত্তর
TK. 450
৬৭৪৭
A worker union contract specifies a 6% salary increase plus a Tk. 450 bonus for each worker. For a worker, this is equivalent to an 8% salary increase. What was this worker's salary before the new contract?
উত্তর
22500 TK.
৬৭৪৮
A man paid tax on 12000 Taka at the rate of 20%. He paid the tax in 10 equal payments. what is the amount of each payment?
উত্তর
240 TK.
৬৭৪৯
A, B and C invested in a business. The ratio of A's investment to B's is 4 : 5 and B's to C's is 5 : 6. If the total profit is Tk. 75000, how much profit did B get?
উত্তর
25000 TK.
৬৭৫০
A sum of Tk. 2500 amounts to Tk. 2809 in 2 years at compound interest. Find the rate of interest per annum.
উত্তর
6%