২৩৬৯১
In a group of 15, 7 can speak Spanish , 8 can speak French and 3 can speak neither. What fracton of the group can speak both French and spanish?
উত্তর
1/5
২৩৬৯২
A,B and C enter into partnership by making investments in the ratio 3: 5: 7. After a year, C invests another Tk. 337600 while a withdraws Tk. 45600. The ratio of investments then changes to 24:59:67. How much doses A invest initially?
উত্তর
Tk. 141600
২৩৬৯৩
Karim has 40% more stamps than Rahim, if he gives 45 of his stamps to Rahim, then Rahim will have 10% more stamps than Karim. How many stamps did karim begin with?
উত্তর
245
২৩৬৯৪
একটি সমবাহুু ত্রিভুজের একটি দৈর্ঘ্য a একক হলে, ত্রিভুজটির ক্ষেত্রফল কত বর্গ একক?
উত্তর
34a2
২৩৬৯৫
P and Q start a business with initial investment in the ratio of 13: 8 Their corresponding annual profits are in the ration of 7: 5. If p invested his money for 7 months, find the time period for which Q invested his money.
উত্তর
8 months
২৩৬৯৭
Compound interest on a certain sum for 2 years at 10% per annum is Tk. 420.What would be the simple interest at the same rate and for the same time?
উত্তর
Tk. 400
২৩৬৯৯
Ravi leaves home for stadium which is 12 km form his house. After the stadium, and club all fail in a time, then what is the minimum distance he has to travel to get back home?
উত্তর
5 km