১২০৩২
The lengths of two sides of a right-angled triangle are 13 cm and 5 cm respectively. The length of the third side is -
উত্তর
12
১২০৩৩
The present age of Habib and Shikha are in the ratio of 6 : 4. Five years ago their ages were in the ratio of 5 : 3. How old is Habib now?
উত্তর
30
১২০৩৪
By selling a book for Tk. 675, a seller loses 2/9 of his outlay, by selling it for Tk. 810, his gain or loss percentage is -
উত্তর
None
১২০৩৫
The average of three numbers is P. If two numbers of them are R and S. What is the 3rd number?
উত্তর
3R - P - R
১২০৩৬
If 100 is divided into two parts in such a way that the sum of their reciprocals is 1/21, the difference between the two parts is -
উত্তর
40
১২০৩৭
Tanvir has 450 coins of 50 paisa and 500 coins of 1 Tk. If he gives 46% of 50 paisa coins and 54% of 1 Tk. coins his brother, the amount of money remaining with Tanvir will be -
উত্তর
None
১২০৩৮
Of three consecutive even numbers, the sum of the 1st and 2nd is 166. The sum of the 2nd and 3rd is 170 and the sum of the 3rd and twice of 1st is 250. The second number is -
উত্তর
None
১২০৩৯
A bus travels a distance of 315 km at a uniform speed. If the speed of the bus were 90% of the original speed, it would have taken 2.5 hours more to cover the same distance. The original speed was-
উত্তর
14 Km/hour
১২০৪০
A bike traveled twice a many kms from X to Y as it did from Y to Z. From X to Y, the bike averaged 16 Km/gallon and from Y to Z, the bike averaged 24 Km/gallon. What is the average Km/gallon that the bike achieved on its trip from X through Y to Z?
উত্তর
None