1621 . If (x-y) = 10, and xy = 75, what is the value of x ?
- A. 15
- B. 5
- C. 10
- D. 20
- E. 25
View Answer
|
Favorite Question
|
Report
|
|
1622 . কোনো সংখ্যার একক, দশক ও শতক স্থানীয় অংক x, y, z হলে সংখ্যাটির রূপ হবে ---
- A. 100x +10y+z
- B. 100z + 10y + x
- C. 100xyz
- D. 100z + 10y +y
|
View Answer
|
Favorite Question
|
Report
|
|
|
View Answer
|
Favorite Question
|
Report
|
|
|
View Answer
|
Favorite Question
|
Report
|
|
|
View Answer
|
Favorite Question
|
Report
|
|
1626 . একটি সংখ্যার শতক , দশক ও একক স্থানীয় অঙ্ক যথাক্রমে p,q,r হলে সংখ্যাটির রুপ হবে-
- A. ১০০r +১০p+q
- B. ১০০p+১q০+r
- C. ১০০q+১০r+p
- D. ১০০pq+r
|
View Answer
|
Favorite Question
|
Report
|
|
1627 . If x>y>1 and xy=z, which of the following is true?
- A. y
- B. y=z
- C. z=1
- D. none of these
|
View Answer
|
Favorite Question
|
Report
|
|
1628 . যদি xy < 0, xz > 0 and z < 0 হয়, তবে নিচের কোনটি অবশ্যই সত্য হবে?
- A. y > 0
- B. Y < 0
- C. yz > 0
- D. কোনোটিই নয়
|
View Answer
|
Favorite Question
|
Report
|
|
1629 . If xy = 2 and xy2= 8 , what is the value of x?
- A. 1/2
- B. 2
- C. 4
- D. 8
- E. 16
|
View Answer
|
Favorite Question
|
Report
|
|
1630 . Points A, B, X, and Y are on a straight line, but not necessarily in that order. Given the lengths AB=12, BX=2, and XY=8, what is the length AY?
- A. 12
- B. 6
- C. 18
- D. cannot be determined
|
View Answer
|
Favorite Question
|
Report
|
|
1631 . If xy>0 and x<0, which of the following must be negative?
- A. -x
- B. y
- C. -y
- D. (x-y)
|
View Answer
|
Favorite Question
|
Report
|
|
1632 . If x = y = 2z and xyz = 256 then what is the value of x?
- A. 12
- B. 8
- C. 16
- D. 6
- E. None of them
|
View Answer
|
Favorite Question
|
Report
|
|
1633 . If x = 2y =3z and xyz =36 , what is the value of z?
- A. 2
- B. root 2
- C. root 3
- D. 3
- E. None of them
|
View Answer
|
Favorite Question
|
Report
|
|
1634 . (x,y)-এর মান কত, যখন- 2x+3y=7, 5x-2y=8
- A. (2, 1)
- B. (1, 2)
- C. (3, 1)
- D. (1, 3)
|
View Answer
|
Favorite Question
|
Report
|
|
1635 . 3x+2y=7 এবং 2x=y হলে (x,y) হবে-
- A. (2, 1)
- B. (3, 1)
- C. (1, 2)
- D. (-1, -2)
|
View Answer
|
Favorite Question
|
Report
|
|