If z + 3 = 5, then z = ______.
Answer: If z + 3 = 5, then z = 2 Transpose – The process of moving a term from... View Article
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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... 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 ₹... 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... 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... 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... 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 –... 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... 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... 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... 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... 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... View Article
The equation having – 3 as a solution is:(a) x + 3 =1 (b) 8 + 2x = 3 (c) 10 + 3x = 1 (d) 2x + 1 = 3
Answer: (c) 10 + 3x = 1 Transpose – The process of moving a term from one side of the... View Article
The equation having 5 as a solution is:(a) 4x + 1 = 2 (b) 3 – x = 8 (c) x – 5 = 3 (d) 3 + x = 8
Answer: (d) 3 + x = 8 Transpose – The process of moving a term from one side of the... View Article
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
Answer: (c) x – 3 = 7 Given statement: x exceeds 3 by 7 Exceed is asked so we need... View Article
If 43m = 0.086, then the value of m is(a) 0.002 (b) 0.02 (c) 0.2 (d) 2
Answer: (a) 0.002 Consider the given equation 43m = 0.086 To find out the value of m. m = 0.086/43... View Article
If k + 7 = 16, then the value of 8k – 72 is(a) 0 (b) 1 (c) 112 (d) 56
Answer: (a) 0 Transpose – The process of moving a term from one side of the equation to the other... View Article
The value of y for which the expressions (y – 15) and (2y + 1) become equal is(a) 0 (b) 16 (c) 8 (d) – 16
Answer: (d) – 16 Consider the given equation (y – 15) = (2y + 1) Transpose – The process of... View Article
The solution of the equation 3x + 7 = – 20 is(a) 17/7 (b) -9 (c) 9 (d) 13/3
Answer: (b) -9 Consider the given equation 3x + 7 = – 20 Transpose – The process of moving a... View Article
If 7x + 4 = 25, then x is equal to(a) 29/7 (b) 100/7 (c) 2 (d) 3
Answer: (d) 3 Consider the given equation 7x + 4 = 25 Transpose – The process of moving a term... View Article
