If x is an integer , then which of the following is always an even integer ?
The average of a, b, c is 6 and a-b = 4, ab = 21, what is the value of c ?
A truck dirver must complete a 180-mile trip in 4 housr. If his average speed is 50 miles per hour for first 3 hours , then how fast must he travel for the final hour ?
The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees ?
A Company employs 15 persons, each works 44 hours a week . If 4 persons are absent, how many hours a week would the rest of the persons have to work to make up the time lost ?
Novera bought a ticket of a cricket match for TK. 25 and later sold the ticket to Nahid for TK. 75. What was the percent increase in the price of the ticket ?
If the product of three consecutive integers is 210, then the sum of the two smaller integers is -
0.1 is how many times greater than 0.001?
A man walked 2 miles east, then 2 miles south, then again 4 miles east and finally 10 miles north . How far did he wald from the starting point ?
Find the missing number in the series 3, 6, 18, 72, 360, -
Which of the following fraction is the smallest ?
If 4 is subtracted from one-fourth of a number , the result is 20. which of the following is the number ?
In the figure ABCD is a square. If the length of the square is 10 ft, then what will be the area of the triangle OCD ?
Mr. Khan's salary is TK. 5000.00 and he gets 10% commission of his salary. If his salary increased by 10%, by what percent his commission will increase ?
A man sod his watch at a loss of 5% . Had he sold it for TK. 56.25 more he woud hae gained of 10% . The cost price of the watch is -
A penci costs 5 paisa. These are sold at 20% profit. Find out the selling price of one dozen pencils.
The interest on a certain deposit at 9% per annum is TK. 405 in one year . How much will the additional interest in one year be on the same deposit at 10 percent per annum ?
A and B are in the ratio of 5: 4 , B and C in the ratio of 3 : 2. What is the ratio of A : C ?
An ore contains 26% of copper . To get 91 kgs of copper the quantity of are required is -
Find the amount of dividend per share received annually by a stock holder for the following : Par value = TK. 10, Dividend rate= 4%,
What percent of 50 is 2 ?
0.0025×2.25×0.001=?
If the radius of a circle is increased by 6%, then the area of the circle is increased by -
In a class of 22 students, 21 students get an average of 44 marks . If the remaining students get 66 marks , the average marks of the whoe class is -