১২৭৪২
Bilkis invests Tk. 2,400 in the XYZ Bank at 5%. How much additional money must she invest at 8% so that the total annual income will be equal to 6% of her entire investment?
উত্তর
Tk. 1,200
১২৭৪৩
Rina and Shila entered into a partnership with their capitals in the ratio 5 : 6 At the end of 8 months, Rina withdraws her capital. If they receive the profit in the ratio of 5 : 9, find how long Shila's capital was used?
উত্তর
12 months
১২৭৪৪
A class starts at 10.00 am and lasts till 01.30 pm. Four periods are held during this interval. After every period, 10 minutes are given free to the students. What is the exact duration of each period?
উত্তর
45 min
১২৭৪৫
A shopper spends Tk. 1,000 to purchase CDs at Tk. 20 each. The next day, the disks go on sale for Tk. 16 each and the shopper spends Tk. 2,400 to purchase more CDs. What was the average price per disk purchased?
উত্তর
Tk. 17
১২৭৪৬
A salesman receives daily wage of Tk. 250 and earns a commission of 15% on all sales he makes. How much taka worth of sales does he need to make in order to bring his total daily income of Tk. 1,000?
উত্তর
Tk. 5,000
১২৭৪৭
In a club, 60% members are male and 70% members are graduates. Also 50% of the graduate members are male. What percentage of the club members are female and non-graduate?
উত্তর
5%
১২৭৪৮
Pooja is twice as efficient as Aarti and takes 90 days less than Aarti to complete the job. Find the time in which they can finish the job together.
উত্তর
60 days
১২৭৪৯
Mamun bought 50 shares at Tk. 60, and 2 months later, he purchased 25 shares at Tk 56, at what price should he purchase 25 additional shares in order to have an average price of Tk 58 per share?
উত্তর
56
১২৭৫০
The total income of Habib in 2017, 2018 and 2019 was Tk 36,400. His income increased by 20% each year. What was his income in 2019?
উত্তর
14,400