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Question

Q. A, B, C, and D are 4 non-equal digits. Find (AC)2 if, B>A & AC×BC = DDD.

Q. A, B, C और D, 4 असमान अंक हैं। (AC)2 का मान ज्ञात करें यदि, B>A & AC×BC = DDD.

A

729
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B

676
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C

625
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D

576
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Solution

The correct option is A
729
If you observe the options, all of them are perfect squares whose roots are, 27,26,25 and 24.
Consider option (a), 729. Root of 729 = 27, where A = 2, C=7.
As per the condition B>A, so let B=3.
Thus, AC*BC=27*37=999. Thus, option (a) will be the required solution.

यदि आप विकल्पों का निरीक्षण करते हैं, तो वे सभी सही वर्ग हैं जिनका मूल 27,26,25 और 24 हैं।
विकल्प पर विचार करें (a), 729. 729 = 27 का मूल , जहां a = 2, c = 7 शर्त के अनुसार b> a, इसलिए b = 3 रहने दें।
स प्रकार, ac * bc = 27 * 37 = 999। इस प्रकार, विकल्प (a) आवश्यक समाधान होगा।

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