# MCQs in Algebra and General Mathematics Part IV - Answers

Answers key for the Compiled MCQs in Algebra and General Mathematics 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 Algebra and General Mathematics – MCQs Part 4.

151. A. 7 hours

152. B. 2.50 hours

153. B. 4 hours

154. D. 7 hrs and 50 mins.

155. C. (xy)/(x + y)

156. C. 10

157. A. 2.75 hours

158. A. 9 days

159. B. 10, 15

160. A. 19

161. B. 18 hours

162. A. 47/84

163. C. 12

164. B. 120 man-hour

165. C. 173.9, 347.8

166. A. 19.55%

167. D. 40 m^3 of solution w/ 35% alcohol, 20 m^3 of solution w/ 50% alcohol

168. A. 40

169. C. 500 kg of steel w/ 14% nickel, 1500 kg of steel w/ 6% nickel

170. C. 6 kg

171. B. 10y + x

172. C. 70, 65

173. A. 6

174. B. 7, 14

175. C. 7

176. C. 5/14

177. C. 100

178. B. 36/55

179. C. 5/13

180. A. 24

181. B. 47

182. D. 13

183. A. 20 min

184. D. 0.6 mile per hour

185. A. 2.5 miles

186. A. 50

187. A. 40 kph

188. C. 20 kph

189. B. 800/9 miles

190. D. 52 kph

191. d. 43.6 minutes

192. c. 5.46 minutes

193. d. 3:16.36

194. b. 12:21.818

195. c. 8:43.6

196. a. 3:31.47

197. a. 60°

198. a. 3

199. d. 120

200. a. 3

### Online Questions and Answers in Algebra and General Mathematics Series

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

Algebra and General Mathematics 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
PART 5: MCQs from Number 201 – 250                        Answer key: PART V
PART 6: MCQs from Number 251 – 300                        Answer key: PART VI
PART 7: MCQs from Number 301 – 350                        Answer key: PART VII
PART 8: MCQs from Number 351 – 400                        Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                        Answer key: PART IX
PART 10: MCQs from Number 451 – 500                        Answer key: PART X
PART 11: MCQs from Number 501 – 550                        Answer key: PART XI

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