Sum of two numbers is 15 and their difference is 13. Identify the smaller number.

1

2

14

18

None of them

Description (বিবরণ) :

প্রশ্ন: Sum of two numbers is 15 and their difference is 13. Identify the smaller number.

ব্যাখ্যা:

Let,

large number x,

small number y

given,

x + y = 15..............(১)

x - y = 13................(২)

সমীকরণ (১) - (২)

2y = 2

so, y = 1

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