If n is a positive integer and n2 is divisible by 72, then what is the largest positive integer that must be a factor of n?
If-5
Rakib can complete a task in 30 minutes, and together with his brother Momin, he can complete the task in 20 minutes. How long would it take for Momin working alone to complete the task?
What percentage of numbers from 11 to 90 has 0 or 5 in the unit's digit?
Hamed is 7 years older than his brother Shaquib, who is twice as old their younger sister Lopa. if Lopa is 15 years younger than Hamed, then how old is Shaquib?
There are 4 women and 4 men sitting in a waiting room for job interview. If two of the applicants are selected at random, what is the probalility that both will be women?
Which one of the following is the minimum value of the sum of two integers whose product is 36?
If the sum of three consecutive integers is less than 75, what is the greatest possible value of the smallest one?
A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and has a drain that lets water out at a rate of 1.5 gallons per minute. If you start with 3 gallons of water in the tub, how long will it take to fill the tub completely?
A man rowed 3 miles upstream in 90 minutes. If the river flowed with a current of 2 miles per hour, how long did the man's return trip take?
Two trains are running on parallel lines in the same direction at a speed of 50 km/hr and 30 km/hr respectively. The faster train crosses a man sitting in the slower in 18 seconds. What is the length of the faster train?
If 4y-3x=5, what is the smallest integer value of x for which y>100?
In a class, 50% of the male students and 2/3 of the female students speak French. If there are 3/4 as many girls as boys, what fraction of the entire class specks French?
A fuel tank is 50% full. If 8 gallons of fuel is removed, then the tank remains 10% full. What is the capacity of the tank in gallons?
What is the minimum number of tiles of size 16 by 24 required to from a square by placing the tiles adjacent to one another other?
If b<2 and 2x-3d=0, which of the following must be true?
Nahid is ten years older than his sister. If Nahid was twenty five years of age in 2013, in what year could he have been born?
রহমান সাহেব তার ফল বাগান থেকে ১৫৯ টি পেয়ারা, ২২৭টি নারিকেল ও ৪০১টি জলপাই পেড়ে কয়েকজন বালকের মধ্যে সমানভাবে ভাগ করে দিলে ৩টি পেয়ারা, ৬টি নারিকেল ও ১১টি জলপাই অবশিষ্ট থাকে। সবচেয়ে বেশি কতজন বালকের মধ্যে ফলগুলো সমানভাবে ভাগ করে দেয়া যাবে?
৭০ লিটার অকটেন-পেট্রোল মিশ্রণে পেট্রোল ও অকটেনের অনুপাত ৫ঃ২ । এই মিশ্রণে আর কত লিটার অকটেন মিশালে পেট্রোল ও অকটেনের অনুপাত ২ঃ১ হবে?
A seller gave 5% discount on the tag price of a book and made a profit of 25% on cost. If the cost of the book was Tk. 380, what was the tag price?