Ncert -Class 8 -Maths – Worksheet-Questions -SET D
Single Correct Type Questions
- Fifteen added to thrice a whole number gives 93. The number is _
(A) 26 (B) –26
(C) 62 (D) 90 - Solve: x/2 + x/4 + x/5 + 1000= x
(A) 100000 (B) 200000
(C) 250000 (D) 150000 - The solution of the equation ax + b = 0 is __
- It 8x –3 = 25 + 17 x, then x is _
(A) A fraction (B) An integer
(C) A rational number (D) Cannot solved
Multi Correct Type Questions
- Linear equation in one variable has __
(A) Only one variable with power 1
(B) Only one variable with degree 1
(C) Only constant term
(D) Only one term - Which of the following is a linear expression
(A) x + 1 (B) x + y + 1
(C) 2 + 1 (D) 4
8. x/5 + 13 =18 has the solution as _
(A) 25 (B) 125
(C) 50 (D) 52 - Convert the statement”adding 15 to 4 times of a number is 39“ into an equation _
(A) 4x + 15 = 39 (B) 4y + 15 = 39
(C) 4z + 15 = 39 (D) 4 + 15 x = 39
Assertion & Reason Type Questions
1.Assertion(A): 2x+1 is a linear equation in one variable.
Reason: The general form of linear equation in one variable is ax + b
(A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B) Both Assertion (A) and Reason (R) are true but reason (R) is not the correct explanation of Assertion (A).
(C) Assertion (A) is true but Reason (R) is false.
(D) Assertion (A) is false but Reason (R) is true.
2.Assertion(A): The degree of xyz + x + y + z is 3.
Reason(R): The highest power of the variable involved in the expression is called degree.
(A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
Assertion (A).
(B) Both Assertion (A) and Reason (R) are true but reason (R) is not the correct explanation
of Assertion (A).
(C) Assertion (A) is true but Reason (R) is false.
(D) Assertion (A) is false but Reason (R) is true
Matrix Match Type Question
State whether the statements are true (T) or false (F).
(a) 3 years ago, the age of a boy was y years.
His age 2 years ago was (y – 2) years.
(b) Shikha’s present age is p years. Reemu’s present age is 4 times the present age of Shikha. After 5 years Reemu’s age will be 15p years.
(c) In a 2 digit number, the units place digit is x. If the sum of digits be 9, then the number is (10x – 9).
DESCRIPTIVE
1. On adding Rs. 200 between A and B such that twice of A’s share is less than 3 times B’s share by 200, B’s share is?
2.Madhulika thought of a number, doubled it and added 20 to it. On dividing the resulting number by
25, she gets 4. What is the number?