১০% লাভে একটি পণ্যের বিক্রয়মূল্য ৩৫০ টাকা হলে পণ্যটির ক্রয় মূল্য কত?
দুটি সংখ্যার গুণফল ১৫৩৬। সংখ্যা দুটির ল.সা.গু ৯৬ হলে, গ.সা.গু কত?
১২.৬ টাকা কত টাকার ৩০%?
A student's average test score on 4 tests is 78. What must be the student's score on the 5 ^ (th) * testf the student's average score on the 5 tests to be 80?
How many minutes does it take john to type y words if he types at the rate of x words per minute?
If n is an integer, which of the following must be even?
Kelly and Chris packed several boxes with books. If Chris packed 60 percent of the total number of boxes, what was the ratio of the number of boxes Kelly packed to the number of boxes Chris packed?
The average (arithmetic mena) of 10, 30, and 50 is 5 more than the average of 20, 40, and x. Then x = ?
If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?
At least 23 of the 40 members of a committee must 2/3 vote in favour of a resolution for it to pass. What is the greatest number of members who can vote against the resolution and still have it pass?
Leona bought a 1-year, $10,000 certificate of deposit that pay interest at an annual rate of 8 percent compounded semiannually. What is the total amount of interest paid on this certificate at maturity?
Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds will it take for them to produce total of 200 bolts?
If n is an integer greater than 6, which of the following must be divisible by 3?
If Jake loses 8 pounds, he will weight twice as much as his sister. Together they now weight 278 pounds. What is Jake's present weight, in pounds?
For the positive numbers, n, n + 1, n + 2, n + 4 and n+8, the mean is how much greater than the median?
Mary's income is 60 percent more than Tim's income, and Tim's income is 40 percent less than Juan's income. What percent of Juan's income is Mary's income?
David has d books, which is times as many as Jeff and 12 as many as Paula. How many books do the three of them have altogether, in terms of d?
The River town little League is divided into d divisions. Each division has t teams, and each team has p players. How many players are there in the entire league?
What is the value of n if 2(n + 1) = 32 ?
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Jak's average test score after 2 tests is 78. What average score must Jake score on the 3rd ,4th and 5th tests to bring his average up to exactly 87?