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Questions

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?

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?

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?

If 4y-3x=5, what is the smallest integer value of x for which y>100?

A shopkeeper combined X liters of a solution containing 10% of certain material Q, with 10 liters of another solution that contained 2% of that materiale Q, to produce Z liters of a solution that had 5% of Q. What is the value of X?

Is (m×p) greater than m? (i) m>p>0 (ii) p is less than

what is the value of x + 15 ? (i) x3=27 (ii) x5=243

If 332=172=25x, what is the value of x?

If x = 4, then -22x+2=

Arafat and Asif were each paid X taka in advance to do a certain job together. Arafat worked on he job for 10 hours and Asif worked 2 hours less than Arafat. If Asif gave Arafat Y taka of his payment so that they would have received the same hourly wage, what was the amount in taka, in terms of Y, that Arafat was paid in advance?

If-514 and 215, then which of the following is NOT true?