Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #201 20090217 00:24:27
Re: 5 Star QuestionsThats interesting to note; although its simple arithmetc! Character is who you are when no one is looking. #202 20090217 01:20:21
Re: 5 Star Questions#169. What is the value of k if the following equation has equal roots? #170. What is the value of if ? #171. What is the value of if ? Character is who you are when no one is looking. #203 20090217 01:22:48
Re: 5 Star Questions#172. If , what is the value of? Character is who you are when no one is looking. #204 20090217 15:49:37
Re: 5 Star Questions#173. What is the solution of the differential equation Character is who you are when no one is looking. #205 20090218 01:53:34
Re: 5 Star Questions#178. What is the value of #179. What is the middle term in the expansion of ? #180. If p and q are the roots of the equation ax² + bx + c = 0, then what is the value of ? Character is who you are when no one is looking. #206 20090218 02:34:10
Re: 5 Star Questions#181. What is the value of sin(A+B)sin(AB) + sin(B+C)sin(BC) + sin(C+A)sin(CA)? what is the value of ? Character is who you are when no one is looking. #207 20090219 00:30:51#208 20090219 01:43:26
Re: 5 Star QuestionsAnswers to #181, and #182: #184. What should be the value of k so that the system of linear equations does not have a unique solution? #185. What is the value of x if ? Character is who you are when no one is looking. #209 20090219 06:44:21#210 20090219 15:45:24
Re: 5 Star QuestionsAnswer to #175: if x>0? #187. What is the value of ? #188. What is the value of ? Character is who you are when no one is looking. #211 20090220 02:03:20
Re: 5 Star Questions#189. What is the value of Z if Character is who you are when no one is looking. #212 20090222 00:10:30
Re: 5 Star Questions#190. The lower 24 meters portion of a 50 meters tower is painted green and the remaining portion is painted red. What is the distance of a point on the ground from the base of the tower where the two different portions of the tower subtend equal angles? Character is who you are when no one is looking. #213 20090224 00:06:18
Re: 5 Star Questions#192. In a triangle ABC, if cosA = cosB cosC, #194. If x = cos t, y = sin t, then what is equal to? #195. If , what is equal to? #196. Given the sphere and the two points A(1, 1, 2) and B(2,3,4), where do the points A and B lie with respect to the sphere? Character is who you are when no one is looking. #214 20090224 15:51:20
Re: 5 Star Questions#197. What is the eccentricity of the ellipse whose length of minor axis is equal to the distance between the two foci? #199. What is the value of ? Character is who you are when no one is looking. #215 20090224 15:55:12
Re: 5 Star Questions#200. What is the value of if? Character is who you are when no one is looking. #216 20090226 02:44:33
Re: 5 Star Questions#201. How many solutions does the following equation have? #202. What is the value of 1 + abc if ? Character is who you are when no one is looking. #217 20090228 01:13:08
Re: 5 Star Questions#203. What is the coefficient of in the expansion of? #204. What are the possible values of a and n if #205. What is the sum of the coefficients of the odd powers of x in ? #206. What is the relation between w, x, y, and z if ? Character is who you are when no one is looking. #218 20090303 02:23:03
Re: 5 Star Questions#207. If three consecutive terms of an Arithmetic Progression and Geometric Progression are a, b, and c, find the value of #208. If the sum of the first 2n terms of an Arithmetic Progression is equal to the sum of the next n terms, find the sum of the first n+2 terms given that the first term is a. #209. Find the sum to n terms of the series . #210.Find the sum of the given series upto n terms: . Character is who you are when no one is looking. #219 20090305 04:46:19
Re: 5 Star Questions
Last edited by JaneFairfax (20090305 06:53:59) #220 20090306 00:42:17
Re: 5 Star QuestionsAnswer to #209: Character is who you are when no one is looking. #221 20090306 01:07:52
Re: 5 Star Questions#211. Find the sum of the following series to n terms: #212. If a_{1}, a_{2}, a_{3}, .... are in Arithmetic Progression and a_{1}, a_{2}, a_{3}, .... are all positive, find the value of ? Character is who you are when no one is looking. #222 20090306 02:13:42
Re: 5 Star Questions#213. The p^{th} term of an Arithmetic progression is . Find the sum to n terms of the Arithmetic Progression.#214. Solve for n if nC_{4}, nC_{5}, nC_{6} are in Arithmetic Progression. Character is who you are when no one is looking. #223 20090306 16:56:33
Re: 5 Star Questions#215. Find the common area enclosed by the two parabolas 4y² = 9x and 3x² = 16y. Character is who you are when no one is looking. #224 20090307 01:24:37
Re: 5 Star Questions#217. What is the value of #218. What is the value of ? #219. If a, b, c, and d are real and , then what is the value of ? #220. If one of the roots of the equation is square of the other, then what is equal to? #221. Let denote the number of triangles which can be formed using the vertices of a regular polygon of n sides. What is the value of n is ? Character is who you are when no one is looking. #225 20090308 02:31:22
Re: 5 Star Questions#222. What is the square root of ?Character is who you are when no one is looking. 