NMMS QUESTION PAPER Mathematics – MCQs (131–150)
Answer Key Included
131. Which of the following is associative property for addition?
(1) x × y = y × x
(2) x + y = y + x
(3) (x + y) + z = x + (y + z)
(4) x − y = y − x
Correct Answer: (3) (x + y) + z = x + (y + z)
132. 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 = ?
(1) 132
(2) 112
(3) 122
(4) 102
Correct Answer: 169
133. By what number should 256 be multiplied to make it a perfect cube?
(1) 5
(2) 4
(3) 3
(4) 2
Correct Answer: (4) 2
134. (a + b)² − (a − b)² = ?
(1) −4ab
(2) 4ab
(3) 2a − 2b
(4) 2a + 2b
Correct Answer: (2) 4ab
135. 2x²(x + 1)(x + 3) ÷ 4x(x + 3) = ?
(1) 2x(x + 1)
(2) x²(x + 1) / 2
(3) x(x + 1) / 2
(4) 2x²(x + 1)
Correct Answer: (3) x(x + 1) / 2
136. What is the value of (4³)¹?
(1) 4³
(2) 4⁴
(3) 4²³
(4) None of these
Correct Answer: (1) 4³
137. What is the ones digit in 729³?
(1) 3
(2) 9
(3) 1
(4) 7
Correct Answer: (2) 9
138. Which of the following point lies on the y-axis?
(1) (1, 2)
(2) (2, 3)
(3) (4, 0)
(4) (0, 3)
Correct Answer: (4) (0, 3)
139. Area of a trapezium is:
(1) 1/2 (a + b) h
(2) πr²
(3) 1/3 πr²h
(4) 2(l + b)
Correct Answer: (1) 1/2 (a + b) h
140. If the sides of a rectangle are 5x + 2 and 2x + 3, then its perimeter is:
(1) 3x − 1
(2) 7x + 5
(3) 14x + 10
(4) 7x + 10
Correct Answer: (3) 14x + 10
141. (65)² − (55)² = ?
(1) 10
(2) 1200
(3) 20
(4) 120
Correct Answer: (2) 1200
142. If the sum of two numbers is 14 and their difference is 10, then their product is:
(1) 18
(2) 20
(3) 22
(4) 24
Correct Answer: (4) 24
143. Find the H.C.F. of 42, 63 and 140:
(1) 3
(2) 6
(3) 7
(4) 9
Correct Answer: (3) 7
144. If A + B = 96 and A is half of B, then the value of A is:
(1) 32
(2) 22
(3) 48
(4) 64
Correct Answer: (1) 32
145. The average weight of 21 boys is 64 kg. If the teacher’s weight is added, the average increases by 1 kg. What is the teacher’s weight?
(1) 72
(2) 64
(3) 86
(4) 84
Correct Answer: (3) 86
146. A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
(1) 3/4
(2) 3/7
(3) 1/8
(4) 4/7
Correct Answer: (4) 4/7
147. The perimeter of a rhombus is 56 m and its height is 5 m. Find its area.
(1) 64 sq. m
(2) 70 sq. m
(3) 78 sq. m
(4) 84 sq. m
Correct Answer: (2) 70 sq. m
148. A car covers a distance of 432 km at a speed of 48 km per hour. Time taken is:
(1) 9 hours
(2) 7 hours
(3) 8 hours
(4) 6 hours
Correct Answer: (1) 9 hours
149. Two numbers x and y are in the ratio 5 : 7 and their sum is 36. Find x.
(1) 12
(2) 15
(3) 18
(4) 19
Correct Answer: (2) 15
150. Find the area of a trapezium with parallel sides 6 cm and 10 cm and height 4 cm.
(1) 40
(2) 42
(3) 36
(4) 32
Correct Answer : (4) 32
