Question : Direction: In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct alternative for the unsolved equation.
If 1 x 3 x 5=1925 and 7 x 9 x 11= 4981121 then find the value of 19 x 21 x 23=?
Option 1: 361529441
Option 2: 361441289
Option 3: 441361289
Option 4: 361441529
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Correct Answer: 361441529
Solution : Given:
1 x 3 x 5=1925
Here in the equation, we have–
(1)² = 1 , (3)² = 9 , (5)² = 25
⇒ 1925 .
7 x 9 x 11= 4981121
In this equation, we have–
(7)² = 49 , (9)² = 81 , (11)² = 121
⇒ 4981121
Similarily, the value of –
19 x 21 x 23 ⇒ (19)² = 361 , (21)² = 441 , (23)² = 569
⇒ 361441569
Hence, option fourth is correct.
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