Below are the answers key for the Multiple Choice Questions in Calculus – MCQs Part 3.

101. C. 32/3

102. A. 88/3

103. B. 64/3 square units

104. A. 21.33

105. A. 75

106. A. 5.33

107. D. 10.67 sq. units

108. A. 4.25

109. D. 5.595

110. D. 10.7

111. A. 8

112. D. 32/3

113. C. a^2

114. A. 0.4 from the x-axis and 0.5 from the y-axis

115. B. (0,1.6)

116. B. (3/5, 3/4)

117. B. 4.6 units

118. A. 5.33

119. A. 355.3

120. B. 2228.83

121. B. 181

122. D. 26.81

123. C. 59.22

124. D. 50.26

125. B. 2.13

126. A. Fourth order, first degree

127. C. 2xy dx + (2 + x^2) dy = 0

128. C. 2y dx = (x^2 + 1) dy

129. C. y’ = y/(2x)

130. C. 1.55

131. B. x^3 – 3y + 2 = 0

132. C. y = y^2 + C

133. B. sin x cos y = ln (c sin x)

134. C. x^2 – 2y – 1 = 0

135. B. y(k) = 20 + 5k

136. A. sqrt(x^2 + y^2) + y = C

137. A. (x – 1) y” – xy’ + y = 0

138. A. y = C (sec x + tan x)

139. D. ln (xy) = x + 2y) + C

140. C. x^2 – 2xy – y^2 = C

141. B. ydx=(x+1)dy

142. B. xdy – ydx = 0

143. A. 2xdx – ydy = 0

144. C. (x – h)dx – (y – k)dy = 0

145. C. x + yy’ = 0

146. C. 92.16

147. B. 116 years

148. A. 6.70%

149. A. y = Ce^(-x)

150. A. 33.59 min.

### Online Questions and Answers in Calculus Series

Following is the list of practice exam test questions in this brand new series:

**Calculus MCQs**

**MCQs from Number 1 – 50**Answer key:

**PART I**

**MCQs from Number 51 – 100**Answer key:

**PART II**

**MCQs from Number 101 – 150**Answer key:

**PART III**

**MCQs from Number 151 – 200**Answer key:

**PART IV**

**MCQs from Number 201 – 250**Answer key:

**PART V**

**MCQs from Number 251 – 300**Answer key:

**PART VI**