Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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You are not logged in. #201 2009-01-14 13:05:46#202 2009-01-14 16:58:26
Re: *** ProblemsAnswers to #83, #84, #85, #86, #87, #88, #89, and #90:- Character is who you are when no one is looking. #203 2009-01-15 00:39:58
Re: *** Problems#91. How much must be subtracted from 34968725 to make it exactly divisible by 12? #95. Which is the smallest number which leaves a remainder of 2 when divided by 3, 5, and 7 but which is divisible by 11? #96. The Least Common Multiple and the Greatest Common Divisor of two positive numbers are 2000 and 100 respectively. If both the numbers are of 3 digits, what is the difference between them? #97. A number when divided by 64 leaves a remainder of 63. When double the number is divided by the same divisor, what would the remainder be? #98. There are two electrical wires, one is a 9 m 60 cm long aluminium wire and the other is a 5 m 12 cm long copper wire. Find the maximum length that can be equally cut from each wire in such a way that the total length of each wire is exactly divisible by it. #99. If the sum of two numbers is 55 and the Greatest Common Divisor and the Least Common Multiple of these numbers are 5 and 120 respectively, what is the sum of their reciprocals? #100. Which is the greatest 4 digit number that is divisible by 12, 15, 20, and 35? Character is who you are when no one is looking. #204 2009-01-15 13:50:17#205 2009-01-15 17:47:14
Re: *** ProblemsAnswers to #92, #95, #96, #97, #98, #99, and #100:- Character is who you are when no one is looking. #206 2009-01-15 22:52:24
Re: *** Problems#101. Which is the least number of five digits which is divisible by 12, 15, and 18? #103. If , what is the value of ? #104. A student was asked to multiply a given number by . Instead, he divided the given number by . His answer was 225 more than the correct answer. What was the given number? #105. What is the value of (6 * 15 * 3) if ? #106. One year ago, a father was four times as old as his son. After 6 years, his age would exceed twice his son's age by 9 years. What is the ratio of their present ages? #107. The sum of two numbers is 184. If one-third of the first number exceeds one-seventh of the second number by 8, find the smaller number. #108. An article when sold at a gain of 5% yields $1500 more than when sold at a loss of 5%. What is the Cost Price? #109. In how many days can 10 women finish a work if 10 men can complete the work in 6 days and 10 men and 10 women together can complete the work in days? #110. What is the profit percentage earned by a shopkeeper if the labelled price is 130% of the Cost Price, Cost Price of each article is $550 and a discount of 10% on the labelled price was offered? Character is who you are when no one is looking. #207 2009-01-16 06:54:55#208 2009-01-17 00:40:04
Re: *** ProblemsAnswers to #102, #103, #105, #106, #107, and #109:- Character is who you are when no one is looking. #209 2009-01-17 02:43:51
Re: *** Problems#111. The diagonal of a rectangular floor is 7½ meters. The shorter side of the rectangular floor is 4½ meters. What is area of the floor in square meters? ? #113. A figure that can be folder over along a straight line such that the result is equal halves which lie one on top of the other is said to have a line of symmetry. Which of the following has only one line of symmetry? (a) Square (b) Circle (c) Equilateral triangle (d) Isosceles triangle (e) Rectangle #114. A laborer is paid $8 per hour for an 8 hour day and 1½ times the ratefor each hour in excess of 8 hours in a single day. If the laborer received $80 for a single day's work, how long did he work on that day? #115. How many minutes would it take to completely fill a tank witgh a capacity of 3750 liters if water is being pumped into the tank at the rate of 800 liters per minute and is being drained out of it at the rate of 300 liters per minute? Character is who you are when no one is looking. #210 2009-01-17 07:28:46#211 2009-01-17 08:30:02#212 2009-01-17 11:16:54
Re: *** ProblemsHow do make those clickable buttons inside your posts? #213 2009-01-17 11:24:38
Re: *** ProblemsUse the hide tags: #214 2009-01-17 11:52:17#215 2009-01-18 01:44:22
Re: *** ProblemsThere is a sticky thread in the Puzzles and Games forum #216 2009-01-18 02:38:49
Re: *** ProblemsAnswers to #105, #111, #112, #113, #114, and #115:- Character is who you are when no one is looking. #217 2009-01-18 03:26:34
Re: *** ProblemsArgh! I did read the question carefully but mistyped the answer. #218 2009-01-18 15:58:43
Re: *** ProblemsAnswer to #111:- Character is who you are when no one is looking. #219 2009-01-18 18:15:55
Re: *** Problems#116. If A has $5 more than B and B has $2 more than C, then which of the following exchanges would result in each of them having equal amount of money? Character is who you are when no one is looking. #220 2009-01-18 23:05:44
Re: *** Problems#122. There is a sequence of 11 consecutive odd numbers. If the average of the first 7 numbers is X, what is the average of all the 11 integers? Character is who you are when no one is looking. #221 2009-01-19 09:38:37#222 2009-01-20 02:02:34
Re: *** ProblemsAnswer to #122:- Character is who you are when no one is looking. #223 2009-01-20 02:50:22
Re: *** Problems#124. Two-thirds of three-fifths of one-eighth of a certain number is 268.5. What is 30% of that number? #126. Three numbers x, y, and z are such that xy=96050 and xz=95625. y is greater than z by 1. What is the value of z? #127. If the side of a small square is meters, how many such squares can be accomodated in a square of side 4 meters? Character is who you are when no one is looking. #224 2009-01-21 20:48:09
Re: *** Problems#128. What is the term of a series S whose first four terms are (1+1)², (1+2)², (1+3)², (1+4)²?#129. A train 100 meters long running at a speed of 50 kilometers/hour crosses a 120 meter long train running in the opposite directionin 6 seconds. What is the speed of the other train in kilometers per hour? #130. How many of the 60 candidates who apllied for a job passed neither the physical test nor the written test if 10% of the candidates passed both the tests, 50% of the candidates passed the physical test, and 20% passed the written test? Character is who you are when no one is looking. #225 2009-01-22 10:27:50 |