Which of the following is equivalent to 4/5 ? (a) 5/4 (b) 16/25 (c) 16/20 (d) 15/25
Answer: (c) 16/20 4/5 is equivalent = (4 × 4)/(5 × 4) (4 × 4)/(5 × 4) = 16/20 Standard... View Article
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The standard form of -48/60 is (a) 48/60 (b) -60/48 (c) -4/5 (d) -4/-5
Answer: (c) -4/5 Given -48/60 Divide both numerator and denominator by 12, we get = -4/5 The standard form of... View Article
The reciprocal of 1/2 is (a) 3 (b) 2 (c) – 1 (d) 0
Answer: (b) 2 The reciprocal of 1/2 = 2/1 Reciprocal InMathematics, reciprocal means an expression which when multiplied by another... View Article
Which of the following rational numbers is equal to its reciprocal? (a) 1 (b) 2 (c) 1/2 (d) 0
Answer: (a) 1 We know that, the numerator and denominator have no common factor other than 1. So. 1/1 Reciprocal... View Article
In the standard form of a rational number, the common factor of numerator and denominator is always: (a) 0 (b) 1 (c) – 2 (d) 2
Answer: (b) 1 A rational number is said to be in the standard form, if its denominator is a positive... View Article
Which of the following rational numbers is negative? (a) – (-3/7) (b) (-5/-8) (c) 9/8 (d) (3/-7)
Answer: (d) (3/-7) When either the numerator or the denominator is a negative integer, it is a negative rational number.... View Article
Which of the following rational numbers is positive? (a) (-8/7) (b) (19/-13) (c) (-3/-4) (d) (-21/13)
Answer: (c) (-3/-4) When the numerator and denominator both are positive integers or both are negative integers, it is a... View Article
A rational number is defined as a number that can be expressed in the form p/q, where p and q are integers and (a) q = 0 (b) q = 1 (c) q ≠ 1 (d) q ≠ 0
Answer: (d) q ≠ 0 A rational number, in Mathematics, can be defined as any number which can be represented... View Article
State whether the statements are True or False: If 9 is the solution of variable x in the equation ((5x – 7)/2) = y, then the value of y is 28.
Answer: If 9 is the solution of variable x in the equation ((5x – 7)/2) = y, then the value... View Article
State whether the statements are True or False: If 4x – 7 = 11, then x = 4.
Answer: If 4x – 7 = 11, then x = 4 – False Transpose – The process of moving a... View Article
State whether the statements are True or False: 3/2 is the solution of the equation 8x – 5 = 7.
Answer: 3/2 is the solution of the equation 8x – 5 = 7 – True Transpose – The process of... View Article
State whether the statements are True or False: One third of a number added to itself gives 10, can be represented as (x/3) + 10 = x
Answer: One third of a number added to itself gives 10, can be represented as (x/3) + 10 = x... View Article
State whether the statements are True or False: 4x – 5 = 7 does not have an integer as its solution
Answer: 4x – 5 = 7 does not have an integer as its solution – False Transpose – The process... View Article
State whether the statements are True or False: 9/5 is the solution of the equation 4x – 1 = 8
Answer: 9/5 is the solution of the equation 4x – 1 = 8 – False Transpose – The process of... View Article
State whether the statements are True or False: 5 is the solution of the equation 3x + 2 = 17
Answer: 5 is the solution of the equation 3x + 2 = 17 – True Consider the equation, 3x +... View Article
If x – (7/8) = 7/8, then x =____________
Answer: If x – (7/8) = 7/8, then x = 7/4 Transpose – The process of moving a term from... View Article
If 84 exceeds another number by 12, then the other number is__________
Answer: If 84 exceeds another number by 12, then the other number is 72. Transpose – The process of moving... View Article
If a number is increased by 20, it becomes 45. Then the number is _________________
Answer: If a number is increased by 20, it becomes 45. Then the number is 25. Transpose – The process... View Article
If 10 less than a number is 65, then the number is__________
Answer: If 10 less than a number is 65, then the number is 75. Transpose – The process of moving... View Article
If (1/6) – x = 1/6, then x =____________
Answer: If (1/6) – x = 1/6, then x = 0 Transpose – The process of moving a term from... View Article
