Mathematics Class 7th
161. A polynomial having two term is called_______.
A. Monomial
B. Binomial
C. Trinomial
162. A polynomial having three terms is called ______.
A. Monomial
B. Binomial
C. Trinomial
163. An is a statement that two expressions are equal.
A. Algebraic Expression
B. Equation.
164. ax + b = 0 is a ?
A. Algebraic Equation
B. Linear Equation.
165. 5ϰ + ϰ = 4ϰ + 2, The value of ϰ is?
A. 2
B. 1.
C. 5
D. None
166. 3(9 + 2ϰ) = 5ϰ, the value of ϰ is?
A. 30
B. -29
C. -27.
D. None
167. 5. 0.8ϰ + 0.25 = -0.1ϰ + 0.7 The value of ϰ is?
A. 10
B. 0.5.
C. 0.1
D. 0.2
168. 6. 0.3ϰ + 0.2 (10 - ϰ) = 0.15 (30)
A. 25.
B. 26
C. 27
D. 28
169. Ali thinks of a number, adds 5 to it, subtracts 7 from the double of the sum, the result is 9. Find the number Ali thought.
A. 3.
B. 4
C. 5
D. 6
170. In a class of 45 students, the number of girls is 7/8 of the number of boys. Find the number of girls in the class.
A. 22
B. 21.
C. 30
D. 40
171. A man has rupees ϰ. From which he spends Rs. 6. If twice of the amount left with him is Rs. 86, find ϰ.
A. 49.
B. 50
C. 51
172. Afridi and Shehzad gave 69 runs opening start to Pakistan. If Afridi’ score is double of Shehzad’ score then he needs how many runs to complete his half centu- ry.
A. 7
B. 6.
C. 8
D. 9
173. Perimeter of rectangular play ground is 32 m and its length is 4m more than its breadth. Find the length and breadth of the rectangular play ground
A. 6m, 10m.
B. 5m, 8m
C. 6 m, 7 m
174. Age of mother is 3 times the age of her daughter, after 4 years the sum of their ages will be 60 years. Find their present ages.
A. Mother: 39, Daughter: 13.
B. Mother: 40, Daughter: 14
C. Mother: 50, Daughter: 15
175. ax + b = 0, where a is not equal to 0 is linear equation in one variable.
A. True.
B. False
176. The solution set of ϰ - 10 = 0, is {-10}
A. True
B. False.
177. The solution set of 4ϰ=24 is {6}
A. True.
B. False
178. x2 + 1 is linear equation in one variable.
A. True
B. False.
179. To solve a linear equation subtract_________ number from both sides of equation
A. Same.
B. Different
180. Which equation is not equivalent to b - 15=32?
A. b + 5 = 52
B. b – 20 = 27
C. b – 13 = 30.