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)
- The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
- X sells a product of Y and makes a profit of 25%. Y sells it to Z at a loss of 20%. If Z buys it for tk. 140 what price X paid for it?
- Rachel, David, and Kristen decide to pool their money to buy à video game system. David contributes 4 dollars more than twice what Kristen does, and Kristen contributes 3 dollars less than Rachel does, If Rachel contributes r dollars, then, in terms of r, how much does David contribute?
- A merchant was selling an item at a certain price, then marked it down 20% for a spring sale. During the summer , he marked the item down another 20% from its spring price . If the item is sold at the summer price then, what percent of the original price did it sell for?
- A computer is programmed to add 3 to the number N, multiply the result by 3, subtract 3, and divide this result by 3. The computer answer will be
- ১,০০০ টাকা ক ও খ ১ঃ ৪ অনুপাতে ভাগ করে নেয়। খ এর অংশ সে এবং তার মা ও মেয়ের মধ্যে ২ঃ ১ঃ ১ অনুপাতে ভাগ করে। মেয়ে কত টাকা পাবে?
- The price of a cycle is reduced by 26 per cent. The new price is reduced by a further 20 par cont. The two reductions to equal to a single action of
- আরিফ তার স্কুল থেকে ১১ মিটার উত্তরে হাঁটার পর ৬ মিটার পশ্চিমে হাঁটল। এরপর সে ৩ মিটার দক্ষিণে গিয়ে তার বাড়ি পৌঁছাল। আরিফের স্কুল থেকে তার বাড়ির দূরত্ব কত?
- দুটি সংখ্যার গড় হচ্ছে 2x+1 , যদি একটি সংখ্যা x-2 হয়, হবে অন্য সংখ্যক কত?
- Mr. Karim traveled from A to B at a speed of 3 km/hr and returned from B to A at a speed of 5 km/hr. the round trip required 8 hours what was the distance between A and B in km?
- একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময়ে ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায়, কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
- ২২, ২১, ২৩, ২২, ২৪, ২৩, ... পরবর্তী সংখ্যা কোনটি?
- A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity drained away, how many liters of water were drained away?
- Instruction: Each problem consists of a question followed by two statements. Decide whether the data in the statements are sufficient to answer the question. Dipu (D) is 15 years older than his brother Enam (E). \((D = E + 15)\). How old is Dipu? (1) Twenty years ago, Dipu's age was twice that of Enam. (2) Ten years later, Enam's age will be \(\frac{3}{4}\) (assuming the symbol is a typo for a fraction like \(\frac{3}{4}\) or the solution is based on the logic of sufficiency) that of Dipu.
- The price of one kilogram (kg) sugar is \(175\%\) of the price of one kg salt. If 7 kgs of sugar and 5 kgs [of salt are purchased for a total of BDT 690, what is the difference in price between 2 kgs of salt and 1 kg of sugar?]
- A motorist travels x miles in y hours and z minutes. What is his average speed in miles per hour?
- যদি দুইজন টাইপিস্টের দুই পৃষ্ঠা টাইপ করতে দুই মিনিট সময় লাগে তাহলে ছয় মিনিটে আঠার পৃষ্ঠা টাইপ করতে কতজন টাইপিস্ট লাগবে?
- The total weight of a tin and the cookies it contains is 2 Pounds. After 3/4 of the cookies are eaten, the tin and the remaining cookies weight 0.8 Pounds. What is the weight of the empty tim in pounds.
- A triangle has an angle of 82 degree The ratio of the other two angles is 2: 5 what is the smallest angle of the triangle?
- একখানা টেবিল 96 টাকায় বিক্রি করলে টেবিল এর ক্রয়মূল্য যত, লাভের শতকরা তত হয়। টেবিলটির মূল্য কত?
- The population of City X is 40% of the population of city Y. The population of city X is what percent of city X and city Y together?
- The measure of the side of a square is tripled. If x represents the perimeter of the original square , what is the value of the new perimeter?
- A car going 40 miles per hour set up on an 80 miles trip at 9.00 A.M. Exactly 10 minutes latter, a second car left from the same place and followed the same route, How far in miles per hour, was the second car going if it caught up with the first car at 10:30 A.M.?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- A certain elevator has a safe weight limit of 2,000 pounds. What is the greatest possible number of people who can safely ride on the elevator at one time with the average (arithmetic mean) weight of half the riders being 180 pounds and the average weight of the others being 215 pounds?
- In the figure above AD=4,AB=3 and CD=9.What is the area of triangle AEC?
- The price of sugar increased by 10%. What percentage of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- একটি ড্রয়ারে ২০টি মোজা আছে। ৬০% মোজা হলো লাল আর বাকিগুলো নীল। না দেখে ন্যূনতম কতগুলো মোজা ড্রয়ার থেকে তুললে দুটো নীল মোজা অবশ্যই উঠবে?
- A company has 3,600 employees of which 1/3 are clerks. If the clerical staff is reduced by 1/3, what percent of the total number of remaining employees would be clerical staff?
- The average of 8 consecutive odd number is 24. What is the first number in the series?
- Last year Jackie saved 5% of her annual salary. This year, she made 10% more money and saved 8%. The amount saved this year was what percent of the amount saved last year?
- The sum of the ages of 4 children born at the intervals of 3 years each is 42 years. What is the age of the youngest child?
- The electric company charge: Tk. 0.30 per kilowatt hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity for the 3 months?
- The average weekly salary per head of all employees is Tk. 1000 (Supervisors and Labours). The average weekly per head salary of all supervisors is Tk. 6000 while the average weekly salary per head of all labours is Tk. 750. If there are 840 labours in it find the number of supervisors
- 20% of 2 is equal to-
- The ratio of r to s is 3 to 4. The ratio of s to t is 2 to 9. What is the ratio of r to t ?
- If 5 students run a mile in 5 minutes, how much time will 50 students take to run a mile?
- If 4 is subtracted from one-fourth of a number, the result is 20. Which of the following is the number?
- A company has 3,600 employees among which 1/3 are clerical. If the clerical staff is reduced by 1/3, what percent of the total employees would be clerical staff?
