121 . If x +2y > 8 , then 2x + 4y is
- A. greater than 20
- B. smaller than 20
- C. equal to 20
- D. all of these
- E. None of them
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123 . If x+2y=4, and x/y=2 then determine the value of x and y.
- A. 1, 2
- B. 2, 4
- C. 2, 1
- D. 3, 4
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124 . If x +y =6 y +z = 4 and z +x = 2 then 2y -z -x ?
- B. 2
- C. 8
- D. 6
- E. None of them
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125 . If 5x + 2y = 10 and x + 8y = 46, then 3x + 5y equals :
- A. 14
- B. 28
- C. 56
- D. 112
- E. 45
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126 . If x+5y=16 and x=-3y, then y= ?
- A. -24
- B. -8
- C. -2
- D. 2
- E. None of these
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127 . If x =2y +3 and y= -2 , then
- A. x =-2
- B. x is greater than -1
- C. x =-1
- D. x is less than -1
- E. None of these
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128 . If 1/x +y =4 , then x =?
- A. 1/4 -y
- B. 4+y
- C. 1/4 +y
- D. 4-y
- E. 4.5 +y
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129 . If (x+3y)=15 and x=-1.5y, then x=?
- A. 10
- B. -10
- C. -15
- D. 15
- E. None of these
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130 . If x + y = 6, y + z = 4 and z + x = 2, then 2y - z - x ?
- B. 2
- C. 8
- D. 6
- E. none of them
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131 . (-1)x(-1)x(-1)+(1)x(-1)=কত?
- B. 2
- C. -2
- D. 1
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132 . যদি x3+hx+10=0 এর একটি সমাধান 2 হয়, তবে h এর মান কত?
- A. 10
- B. 9
- C. -9
- D. -2
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133 . নিচের কোনটি এর উৎপাদক হবে না?
- A. x + 1
- B. x + 2
- C. x + 3
- D. x + 4
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134 . এর একটি উৎপাদক-
- A. x+y+1
- B. x-y
- C. x+y-1
- D. x-y-1
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135 . এর একটি উৎপাদক হলে অপরটি -
- A. 2x - 1
- B. 2x +1
- C.
- D. 2x + 5
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