# MCQs in Calculus Part IV - Answers

Answers key for the Compiled MCQs in Calculus Part 4 of the series as one topic in Engineering Mathematics in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Calculus – MCQs Part 4.

151. C. 30.45

152. B. 19.53 kg.

153. A. 171.24 lbs

154. B. P6,750

155. D. P13,498.60

156. A. 0

157. A. 3i

158. C. 2i - 1

159. D. 7

160. C. 5 cis 53.1°

161. B. –sqrt(70)

162. D. – (3 – i)

163. C. 30.8 cis 45°

164. B. 8i

165. A. 12.5 + j21.65

166. B. -4(1 + i)

167. A. 1.9 + j1.1

168. C. -8 + 4i

169. B. (-18 - i)/25

170. A. 1 + 2i

171. C. (-7 + 17i)/13

172. B. 1.12 – j0.66

173. C. square root of 3 + i

174. A. 6.47 cis 3°

175. B. -10 + j10

176. A. 0.707

177. C. j1.732

178. D. 1.28 + j0.98

179. C. 4

180. B. e^(ix) = cos x + i sin x

181. D. 10 e^(j40Ï€t)

182. C. 5

183. B. -101

184. C. 326

185. B. -28

186. C. 3

187. C. (1, 2, -1)

188. B

189. D.

190. A.

191. C. 0

192. A. -4, 6

193. D. 0

194. A.

195. D.

196. A.

197. B.

198. A.

199. B. sin kt

200. A. s / [(s square) + (w square) ]

### Online Questions and Answers in Calculus Series

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

Calculus MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                        Answer key: PART II
PART 3: MCQs from Number 101 – 150                        Answer key: PART III
PART 4: MCQs from Number 151 – 200                        Answer key: PART IV