Q : If 3x + 7y=75, 5x- 5y= 25, then the value of (x +y)=?
(A) 17
(B) 16
(C) 18
(D) 15
What is the value of X ?, if 7580 - X = 3440
(A) 4150
(B) 5140
(C) 4130
(D) 4140
2x + 4y – 8xy -1 =?
(A) ( 1 + 4y) (2x – 1 )
(B) (1 – 4y) (2x – 1 )
(C) ( 1 – 4y ) (2x +1)
(D) None of these
23+ 3+33+333+3.33=?
(A) 395.33
(B) 372.33
(C) 702
(D) 702.33
Solve the following equation 24 + 4 ÷ 4
(A) 28
(B) 6
(C) 25
(D) 7
If a + b + c = 12, a2 + b2 + c2 = 52, then what is ab + bc + ca equal to-
(A) 124
(B) 120
(C) 46
(D) 75
The value of 24 ÷ 4 ×(3 +3) ÷2 is:
(A) 22
(B) 24
(C) 20
(D) 18
If a2 + a + 1 = 0 then the value of a9 is.
(A) 0
(B) 1
(C) 2
(D) 3
When x = 1, then value of |2x – 1| + |x – 3| will be -
(A) 3
(B) -3
(C) 2
(D) -2
If (x +y) = 6 and x2 + y2 = 20 then find the value of (x - y) 2.
(A) 6
(B) 10
(C) 2
(D) 4
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