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Algebra Q #6

0. I have one rupee coins, fifty paise coins and twenty five paise coins. The number of coins are in the ratio of 2.5 : 3: 4. If the total amount is 210 Rs. The number of one rupee coin is

  • Option : D
  • Explanation : (4) Let number of 1 Rs,50 paise and 25 paise coins be 2.5x, 3x and 4x, respectively. Value of 1 Rs coins = 1 x 2.5x= 2.5x Rs. Value of 50 paise coins = 0.50 x 3x. =1.5x Rs. Value of 25 paise coins = 0.25 x 4x. =lx Rs, Total value = 210 Rs. ⇒2.5x + 1.5x + 1x =210 => 5x = 210 ⇒X= 42 Thus, number of 1 Rs coins= 2.5x = 2.5 x 42 = 105
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