If x+y=4, y+z = 8 and z+x= 6, then 2y-z-0
A. 3
B. 2
C. 1
D. 0
সঠিক উত্তরঃ
D.
0
Explanation:
Related Questions (Any University/Year)
- Fresh watermelon contains 90% water by weight whereas dry watermelon contains 20% water by weight. Ben buys 64 kg of fresh watermelon for 160\$. At what price should Ben sell the dry watermelon to get a profit of 20%.
- ১৯৯৯ সালে, ডায়ানা ১০টি ইংরেজি বই এবং ৭টি ফরাসি বই পড়েছিলেন। ২০০০ সালে তিনি ইংরেজি বইয়ের চেয়ে দ্বিগুণ ফরাসি বই পড়েন। দুই বছরে তিনি যে বইগুলো পড়েছিলেন তার ৬০% যদি ফরাসি হয়, তাহলে ২০০০ সালে তিনি কতগুলো বই পড়েছিলেন?
- কোনো বৃত্তের ব্যাসার্ধ যদি ২০% কমে, তবে উক্ত বৃত্তের ক্ষেত্রফল কত % কমবে ----
- Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A worker is hired for six days.He is paid Tk.2 more for each day of work than he was paid for the preceding day of work.How much was he paid for the day of work?
- Ajay ranked sixteenth from the top and twenty-ninth from the bottom among those who passed an examination. Six boys did not participate in the competition and five failed in it. How many boys were there in the class?
- The sum of the squares of the two consecutive integers is 145. The sum of the positive integers is:
- A train 108 metre long is moving at a speed of \(50~km/hr\). It crosses a train 112 metre long coming from opposite direction in 6 seconds. What is the speed of the second train?
- After X% of their games had been played. Leicester had won 40% of their games. They won 30% of the rest of the games. In terms of X which of the following expresses the percentage of games Leicester had won at the end of the season?
- The ratio of labor cost and materials cost for making a radio is 2:7. If the cost price is 90% of the selling price which is Tk. X, what is the labor cost per radio?
- 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?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- দুটি সংখ্যার গড় হচ্ছে 2x+1 , যদি একটি সংখ্যা x-2 হয়, হবে অন্য সংখ্যক কত?
- Which of the following is true?
- In a certain school, the ratio of Senior to Junior is 5:4, and the ratio of Senior to Sophomores is 6:5. What is the ratio of Junior to Sophomores?
- If y% of x is 29 what is the value of x?
- 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?
- If \(4x-3y=24\), then what is the value of \(2y - 8(x/3)\)?
- ৭.২ কিলোগ্রাশের কত অংশ ১৮ গ্রাম?
- 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?
- Two people can make 2 bicycles in 2 hours. How many people are needed to make 12 bicycles in 6 hours?
- A train covers the distance y miles between two cities at a speed of x mph, arriving 2 hours late. What speed would permit the train to arrive on schedule?
- x - {x - (x + 1)} = ?
- Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on the first stop?
- The average of four consecutive positive integers is always
- ০.১ × ০.০১ × ০.০০১ = ?