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Re: 5 Star QuestionsBoth #78 and #80 are correct, JaneFairfax! #82. Show that the function is increasing on R. #83. Find the general solution of the differential equation . Character is who you are when no one is looking. #127 20090124 10:52:08#128 20090124 17:41:30
Re: 5 Star QuestionsAnswer to #83: Character is who you are when no one is looking. #129 20090125 02:54:38
Re: 5 Star Questions#84. Prove that the logarithmic function is strictly increasing whenever it is defined. #87. The bottom of a cuboidal swimming pool is 25 meters wide and 40 meters long. Water is pumped into the tank at the rate of 500 m³ per hour. Find the rate at which the water level is rising. Character is who you are when no one is looking. #130 20090125 03:32:36#131 20090125 03:41:50
Re: 5 Star QuestionsAnswers to #84, #85, #86, and #87: Character is who you are when no one is looking. #132 20090125 17:33:15
Re: 5 Star Questions#88. The length of the circumference of a circle is equal to the length of the perimter of a triangle of equal sides and also equal to the perimter of a square. Which of the following is true if the areas of the circle, triangle and square are c, t, and s respectively? Character is who you are when no one is looking. #133 20090126 02:39:20
Re: 5 Star Questions#91. If a, a+2, a+4 are prime numbers where , what is the number of values a can be given?#92. A survey on a sample of 25 new cars being sold at a local automobile dealer was conducted to study which of the three popular facilities  airconditioning, radio and power windows  were already installed. The survey found 15 had air conditioning; 2 had air conditioning and power windows but no radio; 12 had radio; 6 had air conditioning and radio but no power windows; 11 had power windows; 4 had radio and power windows; and 3 had all the three facilities. What is the number of cars that had none of these facilities? Character is who you are when no one is looking. #134 20090126 02:57:51#135 20090126 02:59:46
Re: 5 Star QuestionsAnswer to #91: Character is who you are when no one is looking. #136 20090126 03:29:57#137 20090126 18:26:46
Re: 5 Star QuestionsAnswer to #89: Character is who you are when no one is looking. #138 20090126 23:15:09
Re: 5 Star QuestionsCan you give the list of digits that are potentially confusable, so that we can be sure we are playing the game by the same rules? Last edited by JaneFairfax (20090127 01:36:43) #139 20090127 01:33:43
Re: 5 Star QuestionsExplanation to #90: Character is who you are when no one is looking. #140 20090127 01:39:19#141 20090127 01:58:23
Re: 5 Star Questions#93. The salary of an employee is $1,600. His expenditure on food, clothing, house rent and entermainment are represented by a pie chart making central angles 157.5°, 67.5°, 54°, and 36° respectively. What is his monthly saving? #95. In a Geometric Progression, both the first term and the common ratio are . What is the magnitude of the term of the Geometric Progression? #96. If , then what is the value of ? Character is who you are when no one is looking. #142 20090127 12:27:13#143 20090127 16:11:32
Re: 5 Star QuestionsAnswers to #95 and #96. Character is who you are when no one is looking. #144 20090127 23:40:41#145 20090128 00:56:52
Re: 5 Star QuestionsAnswer to #96: #98. If , then what is the value of ? #99. If n is an integer other than a multiple of 3, then what is the value of ? #100. If n is a multiple of 3, then what is the value of ? Character is who you are when no one is looking. #146 20090128 02:26:50
Re: 5 Star QuestionsLast edited by JaneFairfax (20090128 02:28:38) #147 20090128 02:34:18
Re: 5 Star QuestionsAnswer to #97: then, what is the value of ? Character is who you are when no one is looking. #148 20090129 01:56:19
Re: 5 Star QuestionsAnswer to #98: Character is who you are when no one is looking. #149 20090129 01:59:36
Re: 5 Star Questions#102. How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that the odd digits occupy even positions? Character is who you are when no one is looking. #150 20090129 03:49:21
Re: 5 Star Questions#103. Can a number start with the digit 0? 