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The sum of two numbers is 39 and their different is 15, then find the numbers

Soln Date / Update:-

24-Jul-2025 06:26PM

Solution:-

Exrecise - 2 ( B ) Real Numbers

Ex-12. The sum of two numbers is 39 and their different is 15, then find the numbers.

Solution:-

Let the 1st no = x, 2nd no = y

A/Q,

x + y = 39 -------eq(i)

x - y = 15 --------eq(ii)

Sum of eq(i) + eq(ii)

Or, 2x = 54

Or, x = 27

Now, putting the value of x in eq(i)

x + y = 39 ---eq(i)

27 + y = 39

y = 39 - 27

y = 12

Hence, 

x = 27,  y = 12 Ans.

Solution Image given below,

Ex-13

 

 

 

General & Competition Math (Vidyasagar) Ch-2, Example-2(B)
General & Competition
General & Compitition Sub-Math (Oscer)
General & Competition Sub-Math (Vidyasagar)

General & Competition Math (Vidyasagar) Ch-2: Number System
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