The difference of the squares of two consecutive odd numbers is 84. What is the sum of the two numbers?
A. 40
B. 42
C. 45
D. 48
E. 44
সঠিক উত্তরঃ
B.
42
Explanation:
Related Questions (Any University/Year)
- . A man purchased equal number of bananas at two different rates-one at the rate of 8 taka per dozen and the other at the rate of 10 taka per dozen. After that, he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
- In the following figure, what is the area of square QRST?
- . The number of students in each section of a school is 24. After admitting new students, three new sections were started Now, the total number of sections is 16 and there are 21 students in each section. How many new students were admitted?
- On an average Dr. Maruf attends 12 patients per day and Dr. Mehdi attends 16 patients per day. If Dr. Maruf's charge is1 1/2 times of Dr. Mehdi who earns Tk. 72,000 per month, what is the monthly income of Dr. Maruf?
- নিচের কোন সংখ্যাটি দুটি ধনাত্মক সংখ্যার গুনফল যার যােগফল হচ্ছে ৩?
- ৮ টি বানর ৮ মিনিটে ৮ টি কলা খায়, ৪৮ মিনিটে ৪৮ টি কলা কতটি বানর খেতে পারবে?
- a, b,c are positive numbers such that (3a=4b=5c). If (a+b =kc), what is the value of K?
- The minimum time Mr. and Mrs. Ahmed require to reach the market from their house by walking is 25 minutes and 20 minutes prospectively. If Mr. and Mrs . Ahmed decided to go to the market together by walking, what is the minimum time they will require to reach the market?
- A can complete a project in 20 days and B can complete the same project in 30 days. If A and B start working on the project together and A quits 10 days before the project is completed, in how many days will the project be completed?
- স্রোতের প্রতিকূলে যেতে যে সময় লাগে , অনুকূলে যেতে তার অর্ধেক সময় লাগে । যাতায়াতে যদি ১২ ঘন্টা সময় লাগে, তাহলে স্রোতের অনুকূলে যেতে কত ঘন্টা সময় লাগে?
- If \(x/z\) is more than \(y/z\), then \(y = ?\)
- ২২, ২১, ২৩, ২২, ২৪, ২৩, ... পরবর্তী সংখ্যা কোনটি?
- Each of the following questions consists of a problem followed by two statements. Decide whether the data in the statements are sufficient to answer the question. Select your answer according to whether: A) statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question. B) statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question. C) both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D) each statement alone is sufficient. E) statements 1 and 2 together are not sufficient, and additional data is needed to answer the question. After a long career, Mr. Iqbal is retiring. If there are 25 associates who contribute equally to a parting gift for Iqbal in an amount that is an integer, what is the total value of the parting gift? Statement 1: If four associates were fired for underperformance, the total value of the parting gift would have decreased by Tk 200. Statement 2: The value of the parting gift is greater than Tk 1,225 and less than Tk 1,275.
- A factory that employs 1000 assembly in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. What is the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
- A train 75 meters long is running with a speed of 20 km/hr. it will pass a standing man in:
- In takes one machine 4 hours to complete a production order and another machine 3 hours to complete the same order. How many hours would it take when both machines complete the order simultaneowsly at their respective rates?
- When positive integer x is divided by positive integer y, the remainder is 9. If x/y = 96.12, what is the value of y?
- Calculate the ratio of girls to boys if nine-fifth of the students in the class are boys.
- 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?
- 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?