Math, asked by 1MayukhBanerjee, 2 months ago

S and D are two numbers. D is a two digit number such that the sum of squares of the individual digits is equal to S. The difference between S and D is 13. What is the value of D ?​

Answers

Answered by sukhpreetkaur82405
10

A. 24

B. 25

C. 34

D. 45

E. 54

I'm not certain if I am right but this is how I tackled this question.

I used back solving by testing out the numbers. Let's start with A.

A -> S = (2) + (4) all ^2 -> 6^2 =36. D = 24. 36 - 24 does not equal 27

B -> S = (2) + (5) all ^2 -> 7^2 =49. D = 25. 49 - 25 does not equal 27

C -> S = (3) + (4) all ^2 -> 7^2 =49. D = 34. 49 - 34 does not equal 27

D -> S = (4) + (5) all ^2 -> 9^2 =81. D = 45. 81 - 45 does not equal 27

E -> S = (5) + (4) all ^2 -> 9^2 =81. D = 54. 81 - 54 DOES equal 27

Therefore, E is the correct answer

Step-by-step explanation:

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