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Find the missing number. 3 2 = 7, 5 4 = 23, 7 6 = 79, 10 9 = ?

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Find the missing number.
3 2 = 7,
5 4 = 23,
7 6 = 79,
10 9 = ?

posted Jun 10, 2022 by Aarati Mahajan

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+4 votes
If 3 2 = 7, 5 4 = 23, 7 6 = 47, 9 8 = 79 then 10 9 = ?

If 

3   2 = 7
5   4 = 23
7   6 = 47
9   8 = 79

Then

10  9 = ??
0 votes
Calculate the number of ordered triples (A1, A2, A3) such that: A1 ∪ A2 ∪ A3 = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} A1 ∩....

Calculate the number of ordered triples (A1, A2, A3) such that:

A1 ∪ A2 ∪ A3 = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
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Write your answer as 2a3b5c7d where a, b, c, d are non-negative integers.

–2 votes
If the following is true, can you find the value of (4 + 9)? 7 + 7 = 2 8 + 8 = 4 8 + 5 = 1 6 + 9 = 3 10 + 11 = 9

If the following is true, can you find the value of (4 + 9)?

7 + 7 = 2
8 + 8 = 4
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0 votes
If 6 + 4 = 210; 9 + 2 = 711; 8 + 5 = 313; 5 + 2 = 37; 7 + 6 = 113; 9 + 8 = 117; 10 + 6 = 416; 15 + 3 = 1218.............

If
6 + 4 = 210
9 + 2 = 711
8 + 5 = 313
5 + 2 = 37
7 + 6 = 113
9 + 8 = 117
10 + 6 = 416
15 + 3 = 1218
Then
?? + ?? = 123

...