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You are not logged in. #101 20090118 22:10:42
Re: 5 Star Questions#61. Two crystal spheres of diameter are being packed in a cubic box of side length x. If the crystal spheres are placed in the box and the rest of the box is completely filled with packing powder, approximately what portion of the box is filled with packing powder?#62. What is the sum of the first 100 terms common to the series 17, 21, 25, 29, 33, 37, ...... and 16, 21, 26, 31, 36, .........? Character is who you are when no one is looking. #102 20090118 22:14:22
Re: 5 Star Questions#63.Consecutive odd numbers are arranged in rows as shown below. If the rows are continued in the same pattern, what is the middle number of row 51? Character is who you are when no one is looking. #103 20090119 08:35:05#104 20090120 02:05:58
Re: 5 Star QuestionsAnswer to #63: Character is who you are when no one is looking. #105 20090120 02:26:22
Re: 5 Star Questions#64. What is the coefficient of in the product? #65. If the terms of an Arithmetic Progression are in Geometric progression, what is the common ratio of the Gemoetric progression? #66. If a, b, and C are in Arithmetic Progression, then are in (1) Arithmetic Progression (2) Geometric Progression (3) Harmonic Progression (4) None of these Character is who you are when no one is looking. #106 20090120 15:22:48
Re: 5 Star Questions#67. If the common ratio of a Geometric progression a, b, c, d, e........ is r, is also a Geometric Progession? If so, what is the common ratio? Character is who you are when no one is looking. #107 20090121 05:03:21#108 20090121 16:06:31
Re: 5 Star QuestionsAnswers to #64, #65, #66, and #67. Character is who you are when no one is looking. #109 20090121 20:24:55
Re: 5 Star Questions#68.The numbers 34041 and 32506 when divided by a certain number of three digits, leave the same remainder. What is the number? #72. A log 7 feet long is cut into three pieces, the length of the longest piece being equal to the sum of the length of the other two pieces. What is the length of each piece? #73. Simplify: . Character is who you are when no one is looking. #110 20090122 08:04:39#111 20090122 15:40:19
Re: 5 Star QuestionsAnswers to #68, #69, #70, #71, #72: Okay, #72 stands corrected, as desired by JaneFairfax! #72. A log 7 meters long is cut into three pieces, the length of the longest piece being equal to the sum of the length of the other two pieces. What is the length of each piece? Character is who you are when no one is looking. #112 20090122 15:49:08
Re: 5 Star Questionsshould be a 10sec question...with process of elimination. Last edited by careless25 (20090122 15:49:37) #113 20090122 16:06:36#114 20090122 16:17:10#115 20090122 16:21:42#116 20090122 16:23:36
Re: 5 Star Questionscareless25, Character is who you are when no one is looking. #117 20090122 16:27:00
Re: 5 Star Questions
Wow, i should have known this. I still get confused when using feet, yards, miles, acres, etc. Base of 10 makes it much more easier i guess. #118 20090123 01:38:08
Re: 5 Star Questions#74. What is the value of x if #75. Jerome invested $400 at the beginning of every month in a bank paying 8% interest per annum on recurring deposits. How much would he get at the end of 3 years? #76. From the top of a hill 400 meters high, the angle of depression of the top and the bottom of a tower are 30° and 45°. What is the height of the tower? #77. In an examination, the average makrs scored by the student was 50 marks. After detecting certain errors in correction and awarding marks, the marks scored by 100 students had to be reduced from 90 to 60. As a result, the average marks scored by the students came down to 45. What is the total number of students who appeared for the examination? Character is who you are when no one is looking. #119 20090123 04:33:15#120 20090123 18:24:50
Re: 5 Star QuestionsAnswers to #74, #76, and #77: Character is who you are when no one is looking. #121 20090123 23:28:51
Re: 5 Star Questions#78. What is the value of to 20 terms? #79. What is the value of the sum of the series ? #80. The Hamonic Mean of two numbers is 4, their Arithmetic Mean A and Geometric Mean G satisfy the relation . What are the two numbers? Character is who you are when no one is looking. #122 20090123 23:34:48#123 20090123 23:37:20#124 20090123 23:48:10
Re: 5 Star QuestionsAnswer to #76: Character is who you are when no one is looking. #125 20090123 23:55:21
Re: 5 Star QuestionsIf you want to represent multiplication with a dot, it should be a centre dot (\cdot), not a baseline dot! 