JU জাহাঙ্গীরনগর বিশ্ববিদ্যালয় আইবিএ ভর্তি পরীক্ষা ২০১৮-২০১৯ (সেট C)

A car drives a distance of d miles at 30 mph and returns at 60 mph. What is its average rate for the round trip?

Machine A fills soda bottles at a constant rate of 60 bottles every 12 minutes and Machines B fills soda bottles at a constant rate of 120 bottles every 8 minutes. How many bottles can both machines working together at their respective rates fill-in 25 minutes?

Which of the following is between $\frac{1}{3}$ and $\frac{1}{4}$ ?

If Susan takes 9 seconds to run y yards, how many minutes will it take her to run x yards at the same rate?

In a tank are 50L water and 20L of acid. How many liters of water must be evaporated to make the solution 40% acid?

Twelve identical machines, running continuously at the same constant rate, take 8 days to complete a shipment. How many additional machines, each running at the same constant rate, would be needed to reduce the time required to complete a shipment by 2 days?

Choose the number that is $\frac{1}{4}$ of $\frac{1}{2}$ of $\frac{1}{5}$ of 200 :

Preeti has monėy in two separate bank accounts. Account X earns 8% interest annually and account Y earns 15% interest annually. Preeti earned a total of $53 in interest last year. If the total amount of money is the accounts at the beginning of last year was$400, and there were no other deposits or withdrawals, how much money was in account Y?

All of the following have the same set of unique prime factors EXCEPT:

$P$ persons have decided to rent a van to tour while on holidays. The price of the van is $x$ dollars and each person is to pay an equal share. If $D$ persons cancel their trip thus failing to pay their share, which of the following represents the additional number of dollars per person that each remaining person must pay in order to still rent the van?

The day before the day before yesterday is five days after Saturday. What day is it today?

A man is asked what his daughters look like, He answers, "They are all blondes, but two, all brunettes, but three, and all redheads, but three." How many daughters did he have?

The average of $(54,820)^{2}$ and $(54,822)^{2}$ is

A square garden is surrounded by a path of uniform width. If the path and the garden each have an area of $x$ , then what is the width of the path in terms of $x$ ?

The area of circle W W is 16n 16 n and the area of circle Z Z is 4n 4 n . What is the ratio of the circumference of W W to the circumference of Z Z ?

In the figure AD=4,AB=3 A D=4, A B=3 and CD=9 C D=9 . What is the area of triangle AEC?

A certain pet store sells on dogs and cats. In March, the store sold twice as many dogs as cats. In April, the store sold twice the number of dogs that it sold in March, and three times the number of cats that it sold in March. If the total number of pets the store sold in March and April combined was 500, how many dogs did the store sell in March?

If n is a positive integer and 10n is a factor of m, what is the value of n?(i) m is the product of the first positive 40 numbers(ii) n >8*m/40!

x x and y y are integers. x+y<11 x+y<11 , and x>6 x>6 . What is the smallest possible value of x−y x-y ?

Let $x, y$ and $z$ be distinct integers. $x$ and $y$ are even and positive, and $z$ is odd and positive. Which one of the following statements cannot be true?

If $(x+2)^{2}=9$ and $(y+3)^{2}=25$ then the maximum value of $\frac{x}{y}$ ?

Being a conscientious driver, Suzy stayed at or below the speed limit while travelling down the interstate. Overall, she went an average rate of 65 mph and it took her 10 hours to complets her mph and it took her 10 hours to complete her journey. If she travelled for 6 \mathbf{6} of her 10 hours at 70 mph , what constant speed ( mph ) did she go for the remaining 4 hours to obtain the overall 65 mph average?