গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭০২১–১৭০৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A Zoo keeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be 260. If the zoo had either pigeons or horses, how many horses were there in the zoo? MCQ
- If x/y = 5/3 then (3x - 2y)/(3x + 2y) =? MCQ
- Monir started a business investing Tk. 9000. After five months, Amir joined with a capital of Tk. 8000. If at the end of the year, they earn a profit of Tk. 6970, then what will be the share of Amir in the profit? MCQ
- A man sells two books at Tk. 120 each and by doing so he gains 25% on one book and loses 25% on the other. His loss on the whole in Tk. is = ? MCQ
- A can do a piece of work in 24 days. When he had worked for 4 days, B joined him. If the work was finished in 16 days, B can alone finish that work is - MCQ
- If f(x) = x/(x - 2), x ≠ 2, then what is the value of f -1(3)? MCQ
- The radius of a circle is same as the diagonal of a square whose area is 16 sq. cm. The area of the circle is - MCQ
- If xy(x + y) = 1 then
= ? MCQ - By selling a bicycle for Tk. 2,850, a shopkeeper gains 14%. If the profit is reduced to 8%, then the selling price will be: MCQ
- Fahim and Robin invested in a business where the investment of Robin is double of Fahim. But Fahim immediately invested 15000 Tk. that brings him double the profit of Robin after one year. Robin's investment was - MCQ
-
= ? MCQ - How many litres of water should be added to a 30 litre mixture of milk and water containing milk and water in the ratio of 7 : 3 such that the resultant mixture has 40% water in it? MCQ
- If ax = b and by = a, then find the value of xy. MCQ
- A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is: MCQ
- How many pieces of 85 cm length stick be cut from a 42.50 meters long stick? MCQ
- What percent of 700 is 2.1? MCQ
- If (2x - 1)2 = 121, then which one of the following could equal x? MCQ
- The difference between a number and its square is 72. What is the number? MCQ
-
MCQ - 10, 25, 45, 54, 60, 75, 80
Which number doesn’t belong here? MCQ