DU ঢাকা বিশ্ববিদ্যালয় আইবিএ (বিবিএ) ভর্তি পরীক্ষা ২০০৭-২০০৮

If $x \geq 10$ and $y \leq 7$ , which of the following must be true?

If your TV was made after 1992, it has a stereo feature.The statement above can be deduced logically from which of the following statements?

How many integers in the set of all integers from 10 to 150 (all inclusive) are not the square of an integer?

Exactly 7 persons P, Q, R, S, T, U & V - participate in and finish all of a series of races. There are no ties for any position at the finish of the races. The following statements about the races are always true: V finishes somewhere ahead of P. P finishes somewhere ahead of Q.Either R finishes first and T finishes last, or S finishes first and U or Q finishes last.If in a race S finishes sixth and Q finishes fifth, which of the following can be true?

If x/y=2 x / y=2 , then (x−y)/x= (x-y) / x= ?

A recent study on private universities in Bangladesh indicates that students who receive full scholarships tend to maintain higher grade point averages than students who must work or take loan to finance study. The survey concluded that scholarships enable students to achieve high grade point averages by alleviating the stress related to financial concerns and freeing up students' time to study more.The conclusion drawn in the argument above follows logically if which one of the following is assumed?

If a positive integer is selected randomly and is divided by 7, what is the probability that the remainder is greater than 0 and NOT an even number?

Plant Y thrives in environments of great sunlight and very little moisture. Desert X is an environment with constant, powerful sunlight, and next to no moisture. Although Plant Y thrives in the areas surrounding Desert X, it does not exist naturally in the desert, nor does it survive long when introduced there.Which of the following would be most useful in explaining the apparent discrepancy above?

If a,b and c arc 3 consecutive positive integers and a>b>c, which of the following has the maximum value?

$\angle A B C=102^{\circ}, \angle D A X=\angle A D C$ and $\angle D C B=2 \angle D A B$ . Find $\angle B A X$

Harun is three times as old as Tamim. In eight years, he will be twice as old as Tamim. How old was Harun 3 years ago?

In the figure, $A C=4\sqrt{2}, A B=B C$ , and $A D=2 B C$ , What is the area of $A B C D$ in $\mathrm{cm}^{2}$ ?

Which one of the following is greater than 2/3?

If $\frac{m^{2}+m-3}{3}=1$ , then $m$ could equal

If m > p, m > r, n < r and p < s which of the following must be true?

In the figure, AC = AD, and CD = BD = AB. What is the value of < CAD?

If $2^{n}=n^{2}$ , then which of the following cannot be true?

At College X X , the faculty-to-student ratio is 1:9 1: 9 . If two-third of the students are fernale and one quarter of the faculty is female, what fraction of the combined students and faculty is female?

If a < 0 and b > 0 , then which of the following is true?I. ab - (a + b) > 0II. ab - (a + b) < 0III. ab - (a + b) = 0

The triangles ABC and EBD are similar (AC and DE are not parallel).Triangles △ABC and △EBD are similar, but AC and DE are not parallel. If AB =8 cm, EB=4 cm, and the area of △DBE= 6 cm², what is the area of △ABC?

A number is divided by 3/7and then multiplied by 5/8. The net effect (approx) is-

When the per unit production cost of an item is Tk 80 and other costs per unit is Tk 20, the producer makes a profit of 15% on his total cost. If the production cost decreases by 20% and the selling price remains the same, calculate the profit in Tk.

Working independently, Salam can perform a certain task in 6 hours and Tonny can perform it in 7 hours. If Salam and Tonny work together for 3 hours, and then Salam leaves, how many hours will it take Tonny to complete the task alone?