If (a + b) > 0 and \(\sqrt{(a+b)}>b\), which of the following must be true?
A. a > 0
B. b > 0
C. a < 0
D. b < 0
E. none of these
Explanation: এখানে given information থেকে কোন conclusion এ আসা যায়না।
Related Questions (Any University/Year)
- 1, 2, 6, 7, 9: A 3-digit integer is to be formed from the digits listed above. If the first digit must be odd, either the second or the third digit must be 2, and no digit may be repeated, how many such integers are possible?
- In a 500m race, the ratio of speeds of two contestants A and B is 3: 4. A has a start of 140m. Then A wins by-
- If, x+y>4 and x1 is true
- A CD player and A DVD player have the same price. If the price of the CD player goes up by 10% and that of the DVD player is decreased by 5%, how much more will it cost to buy 5 CD players and 5 DVD player?
- The average age of boys in the class is twice the number of girls in the class. If the ratio of boys and girls in the class of 36 be 5:1, what is the total of the ages of the boys?
- A train 100 meters long takes 6 seconds to cross a man walking at 5 km/h in a direction ' opposite to that of the train. Find the speed of the train.
- The average of eight numbers is 14 and the average of six of those numbers is 16. What is the average of the remaining two numbers?
- A certain integer n when divided by 5 yields a remainder of 4. Which of these cannot be an integer?
- A sum of BDT 200 will be divided among 5 swimmers, named Emran, Durjoy, Chopol, Billal and Anabi, who have just finished a swimming competition. Everyone will receive at least BDT 5 and no two swimmers will receive the same amount of money. Emran has come \(1^{st}\) and will get BDT 80; Durjoy has come \(2^{nd}\), Chopol is \(3^{rd}\), Billal is \(4^{th}\) and Anabi is last. Moreover, the distribution of money is subject to the following conditions: • No one will get any fractional amount of money. • The swimmer who finishes earlier must receive more money than the swimmer(s) he defeats. What are the greatest and least amount of money, consecutively, that Durjoy can receive?
- There are 200 questions in a 3-hour examination. Among the questions are 50 mathematics problems. It is suggested that twice as much time be allowed for each mathematics problem as for each of the other questions. How many minutes should be spent on the mathematics problems?
- there are 18 bananas on a tree. If one monkey eats 1/3 of bananas and another monkeys eats 1/3 of the rest. How many bananas are still on the tree?
- ২-এর কত শতাংশ ৮ হবে?
- It takes 30 days to fill a laboratory dish with bacteria, If the size of the bacteria doubles each days, how long will it take for the bacteria to fill one-----half of the dish?
- What is 10% of 20% of 30%?
- Fine for carpool lane violation is \(133. Bench warrant for \(229.25 includes 15% fee. How many unpaid tickets?
- একজন ব্যাটসম্যান 26 রান করায় তার ব্যাটিং গড় 15 থেকে বেড়ে 16 হলাে। কত রান করলে তার ব্যাটিং গড় 20 হতাে?
- Alam starts working on a job and works on work. Then babu joins Alam and together they complete the est of the work in 12 days . How long (in days) will it take Babu to complete the job if he works alone ?
- On a wildlife reserve, the ratio of giraffes to zebras is 37:43. If there are 300 more zebras than giraffes, how many giraffes are on the wildlife preserve?
- Asif is now 14 years older than Saif. If in 10 years Asif will be twice as old as Saif. How old will Asif be in 7 years?
- Ajar contains 10 red marbles and 30 green ones. How many red marbles must be added to the jar so that 60% of the marbles will be red?