৩১৯৭১
A fair six side dice is rolled. Find th probality of getting an odd number or a number less than 4.
উত্তর
2:3
৩১৯৭২
5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his sons's age. What is ration of their present age?
উত্তর
10:3
৩১৯৭৪
A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:
উত্তর
9:5
৩১৯৭৫
The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?
উত্তর
1680
৩১৯৭৭
In a market suvey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720. How many individuals were covered in the survey?
উত্তর
1800
৩১৯৭৮
If the square of the sum of two numbers is equal to 4 times of their product. Then the ratio of these numbers is:
উত্তর
1:1
৩১৯৭৯
The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older than him. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
উত্তর
23
৩১৯৮০
একজন লোক সপ্তাহে আয় করেন ৪৫০ টাকা, ব্যয় করেন ৩০০ টাকা। তার আয়ের সাথে সঞ্চয়ের অনুপাত কত হবে
উত্তর
৩:১