76 . 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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77 . If x/y = 3/4, then what is the value of x+y/y?
- A. 3/7
- B. 4/7
- C. 1
- D. 7/4
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78 . If x+2y=2x+y, then x-y equal to ---
- B. 2
- C. 4
- D. 5
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79 . If 50% of x is 75% of y, which of the following is equal to x+y?
- A. 2.5y
- B. 1.25y
- C. 3y
- D. 3.5y
- E. None of these
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80 . If x+y=8p and x-y=6q, then x is
- A. 2pq
- B. 4p+3q
- C. 3q+4p
- D. 3q-4p
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81 . If 850+x+y-640=342, and if x=2y then y=
- A. 44
- B. 48
- C. 132
- D. 184
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82 . If x+y =9 and x-y =5, the value of 4xy is :
- A. 24
- B. 56
- C. 28
- D. 32
- E. 18
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83 . x-y=1, xy=56 হলে x+y= কত?
- A. ১৬
- B. ১৫
- C. ২২৫
- D. ২২১
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84 . যদি x+5y=24 এবং x=3y হয়, তাহলে y = কত?
- A. 2
- B. 3
- C. 4
- D. 5
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85 . A father is 32 years older than the son. In 7 years the father's age will be 5 years more than twice that of the son. The age of the father, 3 years from now , will be
- A. 45 years
- B. 55 years
- C. 65 years
- D. 75 years
- E. 85 years
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86 . 15-5x=24-8x কে সমাধান করলে x- এর মান হবে-
- B. 2
- C. 3
- D. -3
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88 . 3x-7y+10=0 এবং y-2x-3=0 এর সমাধান ----
- A. x=1, y= -1
- B. x=1, y= 1
- C. x=-1, y= -1
- D. x=-1, y= 1
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89 . এর মান __
- A. 2
- B. 1
- C. xyz
- D. y
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