43 - 34 = ?
The ages of Sabiha and Suriya are in the ratio of 7: 3 respectively. After 6 years, the ratio of their ages will be 5:3. What is the difference in their ages?
A scored 30% marks and failed by 15 marks. B scored 40% marks and obtained 35 marks more than those required to pass. The pass percentage is-
A. B and C are partners in a business. Their shares are in the proposition of 13 : 14 : 15 . A withdraws half of his capital after 15 months and after another 15 months, a profit of Tk. 4340 is divided. The share of C is-
A train with a length of 150m long, takes 30 seconds to cross a 500m long bridge. How much time will the take to cross a 370m long platform?
A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km / hr ) of the boat in still (without stream) water?
10 km/hr
12 km/hr
14 km/hr
8 km/hr
A student walks from his house at a speed of 2 12 K per hour and reaches his school 6 minutes late. The next day he increases his speed by 1 km per hour and reaches 6 minutes before school time. How far is the school from his house?
A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percentage is-
A reservoir has two pipes, A and B. A can fill the reservoir 5 hours faster than B. If both together fill the reservoir in 6 hours, the reservoir will be filled by A alone in-
What is the average of odd numbers from 1 to 40?
How many different numbers of two digits can be formed with the digits 1, 2, 3, 4, 5, 6; no digit being repeated?
If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is-
If the radius of a circle is reduced by 40%, its circumference is reduced by-
If in ∆ABC, AB 6cm, BC 12cm and CA = 63cm, then the measure of
If x + 1x=2, then x3 + 1x3 equal to -
An investor earns 3% return on 14th of his capital, 5% on 23rd and 11% on the reminder. What is the average rate of return he earns on his total capital?
If x is an integer, then which of the following statements about x2-x-1 is true?
If 4 x+ y = 1 and 4 x- y . then the values of x and y respectively are-
Two coins are tossed. What is the probability of getting at most one head?
The complement of an angle exceeds the angle by 60°. Then the angle is equal to -