Fill in the blank: – 87 ÷ _____ = 87 – 87 ÷ _____ = 87 Solution:- Let us consider the missing integer as x, The given equation becomes = (-87) ÷ x =... View Article
Fill in the blank: (-206) ÷ _____ = 1 (–206) ÷ _____ = 1 Solution:- Let us consider the missing integer as x, The given equation becomes = (-206) ÷ x... View Article
Fill in the blank: (-75) ÷ _____ = -1 (–75) ÷ _____ = –1 Solution:- Let us consider the missing integer as x, The given equation becomes = (-75)... View Article
Fill in the blank: 369 ÷ _____ = 369 369 ÷ _____ = 369 Solution:- Let us consider the missing integer as x, The given equation becomes = 369 ÷ x = 369 =... View Article
Verify that a ÷ (b + c) ≠(a ÷ b) + (a ÷ c) for each of the following values of a, b and c. (a) a = 12, b = – 4, c = 2 (b) a = (-10), b = 1, c = 1 (a) a = 12, b = – 4, c = 2 Solution:- From the given details, a ÷ (b + c) ≠ (a ÷ b) + (a ÷ c) Given, a = 12, b... View Article
Evaluate the following: [(- 6) + 5)] ÷ [(-2) + 1] [(– 6) + 5)] ÷ [(–2) + 1] Solution:- As per the division rule, When we divide a negative integer by a negative... View Article
Evaluate the following: [(-36) ÷ 12] ÷ 3 [(–36) ÷ 12] ÷ 3 Solution:- As per the division rule, When we divide a negative integer by a positive integer, we first... View Article
Evaluate the following: (-31) ÷ [(-30) + (-1)] (–31) ÷ [(–30) + (–1)] Solution:- As per the division rule, When we divide a negative integer by a negative... View Article
Evaluate the following: 0 ÷ (-12) 0 ÷ (-12) Solution:- As per the division rule, When we divide zero by a negative integer gives zero. = 0 ÷ (-12) = 0... View Article
Evaluate the following: 13 ÷ [(-2) + 1] 13 ÷ [(–2) + 1] Solution:- As per the division rule, When we divide a positive integer by a negative integer, we first divide them... View Article
Evaluate the following: (- 49) ÷ (49) (–49) ÷ 49 Solution:- As per the division rule, When we divide a negative integer by a positive integer, we first divide them as... View Article
Evaluate the following: (-36) ÷ (-9) (-36) ÷ (-9) Solution:- As per the division rule, when we divide a negative integer by a negative integer, we first divide them as... View Article
Evaluate the following: 50 ÷ (-5) (50) ÷ (-5) Solution:- As per the division rule, When we divide a positive integer by a negative integer, we first divide them as... View Article
Evaluate the following: (-30) ÷ 10 (–30) ÷ 10 Solution:- As per the division rule, when we divide a negative integer by a positive integer, we first divide them as... View Article
Replace the blank with an integer to make it a true statement: _____ × (-12) = 132 _____ × (–12) = 132 Solution:- Let us assume the missing integer be x, Now = (x) × (-12) = 132 = x = –... View Article
Replace the blank with an integer to make it a true statement: _____ × (- 8) = -56 _____ × (– 8) = –56 Solution:- Let us assume the missing integer be x, Now = (x) × (-8) = -56 = x = (-56/-8) = x =... View Article
Replace the blank with an integer to make it a true statement: 5 × _____ = -35 5 × _____ = –35 Solution:- Let us assume the missing integer be x, Now = (5) × (x) = -35 = x = – (-35/5) = x... View Article
Replace the blank with an integer to make it a true statement: (-3) × _____ = 27 (–3) × _____ = 27 Solution:- Let us assume the missing integer be x, Now = (–3) × (x) = 27 = x = –... View Article
A cement company earns a profit of ₹ 8 per bag of white cement sold and a loss of ₹ 5 per bag of grey cement sold. (a) The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss? (b) What is the number of white cement bags it must sell to have neither profit nor loss, if the number of grey bags sold is 6,400 bags. Solution We indicate profit in positive integer and loss in negative integer. (a) Profit gained while selling 1 bag of white cement = Rs 8... View Article
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. (i) Mohan gets four correct and six incorrect answers. What is his score? (ii) Reshma gets five correct answers and five incorrect answers, what is her score? (iii) Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score? Solution (i) Mohan gets four correct and six incorrect answers. What is his score? From the given details we get to know that Marks... View Article