In a triangle PQR, PR is the longest side. Then the largest of the three angles is
If n and p are both odd numbers, which of the following numbers must be an even number?
In group of 27 students, 18 belongs to Communication Club and 15 belong to the Business Club. If Each student belongs to at least one club, how many students belong to both clubs?
A father's age is four times his son's age now. Twenty years from now, the father's age will be double his son's age. What will be the son's age ten years from now?
A man and a boy together can complete a job in 81 days. Two men and three boys together can complete the same job in 36 days. In how many days can four men together complete the same job?
If 'n' is an integer, which of the followings must be even?
If a number is divisible by 102, then it is also divisible by:
A square room has a square carpet symmetrically placed in it. This leaves an uncovered area of 9m2 The area of the whole room is 25m2 What is the length of one side of the carpet?
In the figure below, what is the value of x?
ABCD is a parallelogram. BD = 2 The angles of triangle BCD are all equal. What is the perimeter of the parallelogram?
What is the next number in the series 3, 11, 27, 51, _ ?
A line segment is drawn from point (8,-2) to point (4, 6). The co-ordinates of the midpoint of this line segment are
If two halves of 212 are added to 212, the result is
A boy can swim 75 feet in 12 seconds. What is his rate of speed of swimming to the nearest mile per hour (mph)?
If x=3 and y=16 then the value of x in terms of y is:
An old computer that can print a document in 6 hours. With the help of a newer model the job can be completed in 2 hours. How long would it take for the newer model to do the job alone?
Of the followings, which is greater than 12 ?
There are 50 students enrolled in Mathematics Course. Of the enrolled students, 90% took the final exam. Two-thirds of the students who took the final exam passed the final exam. How many students passed the final exam?
Volume of a water tank is 192 cubic feet. Its length, breadth & height are in proportions 4:3:2. What is the area of its base in square feet?
A club has 8 male and 8 female members. The club is choosing a committee of 6 members. The committee must have 3 male and 3 female members. How many different committees can be chosen?
In a survey conducted, it was found that 65% of the people watched the news in television, 40% read a news paper, 25% read a news paper and watched the news on television. What percent of the people surveyed neither watched the news on television nor read a newspaper?
A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 91 pounds?
A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?
How much money you must invest for two years to receive an interest of Tk. 10.50 at an annual compounding rate of interest of 10%.
Three apples and Four oranges cost Tk. 64. Four apples and Three oranges cost Tk.62. One apple, One orange and One papaya cost Tk. 28. What is the cost of papaya in Taka?
If the ratio of the area of two squares is 2: 1, then the ratio of the perimeters of the square is
If value of a certain fraction is equal to 0.4 and the denominator is 15, then the numerator of the fraction is
If 8 men can do a job in 12 days, what is the percentage change in the number of days required to do the job when 2 men are released?
Which of the following fractions is the smallest?
If a circle has a radius 4, and if P and Q are points on the circumference, then the maximum length of an arc which could separate P and Q is
A business man buys a pen for Tk. 25.00. He spends Tk.15.00 to have it restored to good condition and then sells the same for Tk. 50.00. The percentage of profit on his total investment is
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২৫%
৪০%
100%
If a > b > c then which of the followings must be true?
How many pounds of pure salt must be added to 30 pounds of a 2% solution of salt and water to increase it to a 10% solution?
A Coat of Tk. 400 sells for how much after successive discounts of 10% and 5% ?
What number must be added to (x2 - 18x) to make the result a perfect square?
An investor invests 30%, 40%, 20% and 10% of his total investable amount in four different shares of stock giving returns of 15%, 20%, 12% and 10% respectively. What is the average rate of his returns?
What % of 0.25 is 0.01 ?
A Jar contains white, red and green marbles in the ratios 2: 3: 4. Five more green balls are added to the Jar and the ratios become 2: 3: 5. How many white balls are there in the Jar?
Square RSTU shown below is rotated in a plane about its center in a clockwise direction. The minimum number of degrees necessary for T to be in the position where S is
A store usually sells a certain item at 40% profit. One week the store has a sale, during which the item is sold for 10% less than usual price. During the sale, what is the profit percentage the store makes on each of these items?