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______ is the solution of 3x + 10 = 7.

Answer: x = -1 is the solution of the equation 3x + 10 = 7. Transpose - The process of moving a term from one side of the equation to the other... View Article

______ is the solution of the equation 3x – 2 =7.

Answer: x = 3 is the solution of the equation 3x – 2 =7. Transpose - The process of moving a term from one side of the equation to the... View Article

If z + 3 = 5, then z = ______.

Answer: If z + 3 = 5, then z = 2 Transpose - The process of moving a term from one side of the equation to the other side is called transposing.... View Article

In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000 respectively. If the total prize money is ₹ 52,000 then show that:(a) If 1st prizes are x in number the number of 2nd prizes are____. (b) The total value of prizes in terms of x are. (c) The equation formed is. (d) The solution of the equation is_. (e) The number of 1st prizes are__ and the number of 2nd prizes are.

Answer: (a) If 1st prizes are x in number the number of 2nd prizes are 30 - x. From the question, it is given that, 30 prizes consisting of 1st.... View Article

In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then(a) The worth of x coins of ₹ 5 each____. (b) The worth of x coins of ₹ 2 each.(c) The equation formed is_. (d) There are 5 rupee coins and _____ 2 rupee coins.

Answer: (a) The worth of x coins of ₹ 5 each 5x. (b) The worth of x coins of ₹ 2 each 2x. (c) The equation formed is 5x + 2x = ₹ 70. As per the... View Article

The length of a rectangle is two times its breadth. Its perimeter is 60 cm.(a) If the breadth of rectangle is x cm, the length of the rectangle is _ (b) Perimeter in terms of x is _ (c) The equation formed is _ (d) The solution of the equation is __

Answer: (a) If the breadth of rectangle is x cm, the length of the rectangle is 2x. From the question it is given that the breadth of rectangle... View Article

In a test Abha gets twice the marks as that of Palak. Two times Abha’s marks and three times Palak’s marks make 280.(a) If Palak gets x marks, Abha gets _ marks. (b) The equation formed is (c) The solution of the equation is (d) Marks obtained by Abha are ___

Answer: (a) If Palak gets x marks, Abha gets 2x marks. From the question it is given that Palak gets x marks and Abha gets twice the marks as... View Article

Sum of two numbers is 81. One is twice the other.(a) If smaller number is x, the other number is ___ (b) The equation formed is _ (c) The solution of the equation is ___ (d) The numbers are _ and ___

Answer: (a) If smaller number is x, the other number is 2x. From the question it is given that smaller number is x and one is twice the other.... View Article

The sum of two numbers is 60 and their difference is 30.(a) If smaller number is x, the other number is ___ (b) The difference of numbers in term of x is _ (c) The equation formed is (d) The solution of the equation is (e) The numbers are _ and ____ .

Answer: Let smaller number be x. ∴ Other number would be 60 – x. Aa per the question, 60 – x – x = 30 ⇒ 60 –... View Article

Shifting one term from one side of an equation to another side with a change of sign is known as(a) commutativity (b) transposition(c) distributivity (d) associativity

Answer: (b) transposition The process of moving a term from one side of the equation to the other side is called transposing. It is the same as... View Article

Which of the following numbers satisfy the equation –6 + x = –12 ?(a) 2 (b) 6 (c) – 6 (d) – 2

Answer: (c) – 6 Transpose - The process of moving a term from one side of the equation to the other side is called transposing. It is the... View Article

If (x/2) = 3, then the value of 3x + 2 is(a) 20 (b) 11 (c) 13/2 (d) 8

Answer: (a) 20 Transpose - The process of moving a term from one side of the equation to the other side is called transposing. It is the same as... View Article

Which of the following equations cannot be formed using the equation x = 7?(a) 2x + 1 = 15 (b) 7x – 1 = 50(c) x – 3 = 4 (d) (x/7) – 1 = 0

Answer: (b) 7x – 1 = 50 Transpose - The process of moving a term from one side of the equation to the other side is called transposing. It... View Article

Which of the following equations can be formed starting with x = 0?(a) 2x + 1 = – 1 (b) x/ 2 + 5 = 7(c) 3x – 1 = – 1 (d) 3x – 1 = 1

Answer: (c) 3x – 1 = – 1 Transpose - The process of moving a term from one side of the equation to the other side is called... View Article

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Archives

______ is the solution of 3x + 10 = 7.

______ is the solution of the equation 3x – 2 =7.

If z + 3 = 5, then z = ______.

In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then(a) The worth of x coins of ₹ 5 each____. (b) The worth of x coins of ₹ 2 each.(c) The equation formed is_. (d) There are 5 rupee coins and _____ 2 rupee coins.

The length of a rectangle is two times its breadth. Its perimeter is 60 cm.(a) If the breadth of rectangle is x cm, the length of the rectangle is _ (b) Perimeter in terms of x is _ (c) The equation formed is _ (d) The solution of the equation is __

In a test Abha gets twice the marks as that of Palak. Two times Abha’s marks and three times Palak’s marks make 280.(a) If Palak gets x marks, Abha gets _ marks. (b) The equation formed is (c) The solution of the equation is (d) Marks obtained by Abha are ___

Sum of two numbers is 81. One is twice the other.(a) If smaller number is x, the other number is ___ (b) The equation formed is _ (c) The solution of the equation is ___ (d) The numbers are _ and ___

The sum of two numbers is 60 and their difference is 30.(a) If smaller number is x, the other number is ___ (b) The difference of numbers in term of x is _ (c) The equation formed is (d) The solution of the equation is (e) The numbers are _ and ____ .

Shifting one term from one side of an equation to another side with a change of sign is known as(a) commutativity (b) transposition(c) distributivity (d) associativity

Which of the following numbers satisfy the equation –6 + x = –12 ?(a) 2 (b) 6 (c) – 6 (d) – 2

If (x/2) = 3, then the value of 3x + 2 is(a) 20 (b) 11 (c) 13/2 (d) 8

Which of the following equations cannot be formed using the equation x = 7?(a) 2x + 1 = 15 (b) 7x – 1 = 50(c) x – 3 = 4 (d) (x/7) – 1 = 0

Which of the following equations can be formed starting with x = 0?(a) 2x + 1 = – 1 (b) x/ 2 + 5 = 7(c) 3x – 1 = – 1 (d) 3x – 1 = 1

The equation having – 3 as a solution is:(a) x + 3 =1 (b) 8 + 2x = 3 (c) 10 + 3x = 1 (d) 2x + 1 = 3

The equation having 5 as a solution is:(a) 4x + 1 = 2 (b) 3 – x = 8 (c) x – 5 = 3 (d) 3 + x = 8

x exceeds 3 by 7, can be represented as(a) x + 3 = 2 (b) x + 7 = 3 (c) x – 3 = 7 (d) x – 7 = 3

If 43m = 0.086, then the value of m is(a) 0.002 (b) 0.02 (c) 0.2 (d) 2

If k + 7 = 16, then the value of 8k – 72 is(a) 0 (b) 1 (c) 112 (d) 56

The value of y for which the expressions (y – 15) and (2y + 1) become equal is(a) 0 (b) 16 (c) 8 (d) – 16

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