DU ঢাকা বিশ্ববিদ্যালয় আইবিএ (বিবিএ) ভর্তি পরীক্ষা ২০২২-২০২৩

Is ab positive?1. (a+b)² < (a - b)²2. a = b

A rectangle PQRS is inscribed in a circle. One side of the rectangle, SR is 12cm and another side QR is 4√3 cm. What is the length of the minor arc QR?

A management protocol system that offers a unique method for the administration of every operational factor from rules to be obeyed by employees to the scheduling of equipment and supply purchases can be installed by any hospital that wishes to do so, free of charge. The board of directors at the Amgudnow Hospital, which is never fully occupied or excessively engaged, perceives the system as being very beneficial financially and so are planning to utilize it to its fullest. It has been proven that since the system results in a cooperative work environment with streamlined efficiency, its correct operation leads to a high level of satisfaction in workers and patients alike, reducing recovery times.Which of the following, if true, casts the most doubt regarding the effectiveness of the plan of the hospital's board of directors?

9 numbers are written in ascending order, middle number is average of that nine numbers. Average of five larger numbers is 68 and also average of five smaller numbers is 44. What is the sum of all nine numbers?

The year after a company whose success depends on product innovation has a profitable year, itinvests more cash in its research and development department to attempt to generate innovations thatcan ensure future success. Therefore, companies whose success depends on product innovation should generate more innovations during the years following profitable years of business than during years following unprofitable years of business.Which of the following, if true about a company whose success depends on product innovation during the year after a profitable year, casts the most serious doubt on the conclusion drawn above?

. If x²-3x<40 and (x+1)(x-1)>8 what will be the minimum value of x that satisfy both of the inequalities?

Jordan: If a business invests the money necessary to implement ecologically sound practices, its market share will decrease. But if it doesn't implement these practices, it pollutes the environment and wastes resources.Terry: But if consumers demand environmental responsibility of all businesses, no particular business will be especially hurt.In which one of the following exchanges is the logical relationship between Jordan's and Terry's statements most similar to the logical relationship between their statements above?

The ratio of Arif's driving speed and that of Babu's is 2:3. If Arif starts at 7:15 am from point A to Point B and Babu starts from 8:15 am and both reach at 10:00 am and the distance between A and B is 42 km what is the driving speed of Babu km/hour?

Some statisticians claim that the surest way to increase the overall correctness of the total set of one's beliefs is: never change that set, except by rejecting a belief when given adequate evidence against it. However, if this were the only rule one followed, then whenever one were presented with any kind of evidence, one would have to either reject some of one's beliefs or else leave one's beliefs unchanged. But then, over time, one could only have fewer and fewer beliefs. Since we need many beliefs in order to survive, the statisticians' claim must be mistaken.The argument is most vulnerable to criticism on the grounds that it

A and B two friends started a business jointly. The investment of B is equal to 1/3 times the investment of (A) Find the profit share of B in the annual profit of 32000.

One summer, floods covered low-lying garlic fields situated in a region with a large mosquito population. Since mosquitoes lay their eggs in standing water, flooded fields would normally attract mosquitoes, yet no mosquitoes were found in the fields. Diallyl sulfide, a major component of garlic, is known to repel several species of insects, including mosquitoes, so it is likely that diallyl sulfide from the garlic repelled the mosquitoes.Which of the following, if true, most strengthens the argument?

A and B can do a job in12 days, B and C can do the job in 18 days and A and C can do the job in 9 days. In how many days A alone can finish the work?

In a shop, 40% socks are white and rest are black. 60% socks are made of cotton and rest are made of wool. 25% white socks are made of cotton and 20 of the black socks are made of wool. How many black socks are made of cotton?

A box contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3. The number of blue balls in the jar is:

If x= 0.06, y= 1/ (0.06)2, z=(0.06-0.1)2 then which of the following is true?

Three years ago, Anum invested $25,000 in a new mutual fund account. The value of the accountincreased by 15% during the first year, increased by 7% during the second year, and decreased by15% during the third year. What is the approximate value of the account today?