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217. Simplify : 6 xÂ² + 23 x = 12 x +10
218. If x/2y = 3/2. Find the value of (2x +y) / (x - 2y) = ?
219. Given (x/6) + 5 = (x/3) + (x/4), Find the value of x.
220. Simplify : 64 *64 * 64 + 36 *36 *36 + 192 * 64 * 36 + 108 * 64* 36 = ?
221. â[16115 +â{179 +â(289)}] = x Find the value of x.
222. Find the value of 1 + [1 /{1 +(1/(1 +(1/9))}]
223. If a - b = 2 and a^2 + b^2 = 20, find the value of ab?
224. If a - b = 10 and a2 + b2 = 200, find the value of ab.
225. Simplify : {(1446 + 3984)Â² - (1446 - 3984)Â²} / ( 1446 * 3984)
226. Simplify : 2 - [3 - [ { 6 - ( 5 - (Â¯Â¯4 - 3) ) } ] ]
227. Simplify : [{(3/7) - (2/9)} / {(3/7 + 2/9)}] of (63/26) Ã· [4 / {13 - (35/9)}] + (59 / 16) - { 3 / (16 / 13)}
228. If x = 3 y + 1 , then find the value of (y) from the given question: {5 (3 y + 1)Â² }+ {6 (3 y +1)} - 8 = 0
229. Resolve the factor and find the value of x , if x = 6 (x +1)(x +3)(x - 4)(x-6) + 48
230. Solve the given two equation and answer the following: 5 xÂ² - 18 x + 9 = 0.......(equation 1) 20 yÂ² - 13 y + 2 = 0........(equation 2)
231. Simplify : â{15612 + â(154 + â(225))} = ?
232. Solve the equation and find the value of x 7 x - 3 - (7 - 5 x) = 3 - 3 x - ( 5 x+ 8)
233. The cost of 100 pens is equal to the cost of 20 books. 50 pens and 25 books together is Rs.800. Find the total price of 45 pens and 20 books?
234. Simplify : {(1/12) * (15/7) * (2/49) * (7/5)} of {(12/5) (254 / 7)}
235. Neha is 5 years older than Reena. Reena has double than Rohith, and total age of Neha, Reena, Rohith is 60. Find the age of Reena.
236. Simplify ( - 2 x^5 y^4 z) * (a x^2 y^7 z^2) * (-6 x y^3 z^4)
237. Ram is 8 years older than his wife. Total age of both are 88, and total age of his wife and son is eqal to the age of Ram. How many years old is his son.
238. Solve : {( x - 4) / 3} + {( 2 x - 3) / 35} = {( 5 x - 32 ) / 9} - {( x + 9) / 28}
239. Find the value of (1/(2Ã3))+(1/(3Ã4))+.....+(1/(9Ã10))
240. Simplify : 2 a - [ 3 a + { 4 b - ( 2 a - b) + 5 a } - 7 b]
241. Simplify : 48325 * 48325 - 48313 * 96650 + 48313 * 48313
242. A man has Rs.900 in the denominations of one rupee notes, five rupee notes, and ten rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?
243. A man has Rs.960 in the denominations of one rupee notes, five rupee notes, and ten rupee notes. The number of notes of each denomination is equal.What is the total number of notes that he has?