If xy>0 and x<0, which of the following must be negative?
A. -x
B. y
C. -y
D. (x-y)
সঠিক উত্তরঃ
B.
y
Explanation:
Related Questions (Any University/Year)
- The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by :
- 1,6,15,?,45,66,91
- Three partners shared the profit in a business in the ratio 5 : 7 : 8. They had partnership for 14 months, 8 months and 7 months respectively. What was the ration of their investments?
- পিতা ও ২ সন্তানের বয়সের গড় ৩৭ বছর। পিতা, মাতা ও ঐ ২ সন্তানের বয়সের গড় ৩৬ বছর। মাতার বয়স কত বছর?
- If the ratio of boys and girls in a school is 5: 3 . which of the following could not be the number of students in the school?
- ছয়টি সংখ্যার গড় ৬ । যদি প্রতিটি সংখ্যা থেকে ২ বিয়োগ করা হয় তবে নতুন সংখ্যাগুলোর গড় কত হবে?
- Starting from point A, Kashem walked 300 meters towards North to B and then walked another 400 meters towards East to C. What is the shortest distance between C and A?
- Compound interest on a certain sum for 2 years at 10% per annum is Tk. 420.What would be the simple interest at the same rate and for the same time?
- 2 অমূলদ সংখ্যাটির আসন্ন মান হবে-
- If the numerator of fraction is increased by 200% and the denominator is increased by 350% The resultant fraction is 5/12. What was the original fraction?
- A train moves with a speed of 108 kmph. Its speed in metres per second is ----
- যদি x,y বাস্তব সংখ্যা এবং x = not 0 , y =not 0 হয়, তবে xx0+yy0 এর মান __
- একটি ত্রিভুজের ৩টি বাহুর দৈর্ঘ্য ৪, ৫, ও ৩ ফুট হলে ত্রিভুজটির ক্ষেত্রফল কত?
- সমকোণী ত্রিভুজের অতিভুজের দৈর্ঘ্য দেয়া থাকলে-
- ছয়টি ক্রমিক পূর্ণসংখ্যার প্রথম তিনটির যোগফল ২৭ হলে, শেষ তিনটির যোগফল____
- Mou start from home at7.20am to go to her college. If it takes mou three quaters of an hour to reach her college, at what time he should resch her college?
- An item is sold for $65.00, giving the retailer a profit of 30% of the cost . What will be the new retail price if the retailer cuts his profit to 10% of costs ?
- If a carton containing a dozen mirrors is dropped. which of the following cannot be the ratio of broken mirrors to unbroken mirrors?
- 30 labourers, working 7 hours a day can finish a piece of work in 18 days. If the ladourers work 6 hours a day, then the number of labourers to finish the same piece of work in 30 days, will be.
- The average age of 6 boys of a team led by Karim is 8.5 and if Karim is dropped the average age of the remaining boys will be 7.2. What is the age of Karim ?