Question

(d) 6:4
. The sum of two numbers is 520 If the bigger number
decreased by 4% and the smaller number is increased 629-
12%, then the numbers obtained are equal. Find the
दो संख्याओं का योग 520 है। यदि बढ़ी संख्या को 4% घटाय
जाए तथा छोटी संख्या को 12%, बढ़ाया जाए, तो संख्या
(c) 5:5
numbers.
बराबर प्राप्त होती है। संख्यायें ज्ञात करो?
280, 240
(b) 280, 290
(c) 200, 340
(d) 290, 240
Two number are in the ratio 2 : 3 if 20% of the small
number added to 20 is equal to the sum of 10% of
arger number and 25 then the smaller number is -​

Answer 1

Step-by-step explanation:

x×96/100 = y×112/100

6x -7y =0

{x+y =520 }×7

7x +7y = 3640

13x = 3640

x =3640/13