Calculations Worksheet-18
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If , then the value of x is :
(a) (b) (c) 1 (d)
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is equal to :
(a) 2 (b) 4 (c) 6 (d) 8
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is simplified to :
(a) (b) 2 (c) 2 (d) None of these
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Simplify :
(a) (b) (c) (d)
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If where x, y, z are natural numbers, then x, y, z are :
(a) 1, 2, 5 (b) 1, 5, 2 (c) 5, 2, 11 (d) 11, 2, 5
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If x = 1 – q and y = 2q + 1, then for what value of q, x is equal to y ?
(a) –1 (b) 0 (c) (d) 2
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Find x if
(a) –120 (b) –100 (c) 100 (d) 120
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If 4x + 5y = 83 and , then y – x = ?
(a) 3 (b) 4 (c) 7 (d) 11
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Which of the following values of x and y satisfy the following equations I and II ?
I. 3x + y = 19 II. x – y = 9
(a) –7, –2 (b) –7, 2 (c) 7, –2 (d) 7, 2
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If a + b = 5 and 3a + 2b = 20, then (3a + b) will be :
(a) 10 (b) 15 (c) 20 (d) 25
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If 2p + 3q = 18 and 2p – q = 2, then 2p + q = ?
(a) 6 (b) 7 (c) 10 (d) 20
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If 2x + y = 5 and 3x – 4y = 2, then the value of 2xy is :
(a) 4 (b) 6 (c) 8 (d) 10
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If 3x – 5y = 5 and , then what is the value of x – y ?
(a) 3 (b) 4 (c) 6 (d) 9
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If 4x + 3y = 18xy and 2x – 5y + 4xy = 0, then the values of x and y will be respectively :
(a) and (b) –1 and –3
(c) and (d) and
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If 2x + y = 17; y + 2z = 15 and x + y = 9, then what is the value of 4x + 3y + z ?
(a) 41 (b) 43 (c) 45 (d) None of these
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If 3x – 4y + z = 7; 2x – z + 3y = 19; x + 2y + 2z = 24, then what is the value of z ?
(a) 4 (b) 5 (c) 6 (d) 8
Answer Key:
(1)-(a); (2)-(b); (3)-(d); (4)-(b); (5)-(b); (6)-(b); (7)-(d); (8)-(b); (9)-(c); (10)-(d); (11)-(c); (12)-(a); (13)-(a); (14)-(c); (15)-(d); (16)-(b)