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Q.

Find the smallest four digit number which is a perfect square


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a

https://lh5.googleusercontent.com/PhI8Qsql2fRfiUxZ6Jp9RRgiYRZWJeuMu64ql4em75xxStJK6W33pjIZ-xhwkBKlinEfVUHqA1IWTT-_1gCzYneGuENp6STbct_DyBpi--hRCyb4oidKYRHlJCCtjTtqVl5PoJ9Ct2KlkmNGboTLgA

b

https://lh4.googleusercontent.com/1U8EZ2rZTMLH9ppFoMm54Xti41htFjuBBdBfqHq0XBNxhjLKPj_qOB19CBXkH0cEr22LJyxHAZ9k0p6QnaHGeOEELe3D2o9RJBOl65nNed9ISW1T_BJkVphmMeBa_3ze0dQtIDbwQYnStHl058p7wQ

c

https://lh3.googleusercontent.com/wJAgndkSIMDfYwcLAcK0rnf1tHSfUL48jIIZfTUWN7mN0K8kcuJPtm4SEicwqTs72khwc2yiwT59iqcKasC9ss8f4rzDu0oOGnGAFBSWT4q7_UgC2C-A30-oV3VXVv917VrAV-FoDTC7lPZ0Ms03Aw

d

https://lh4.googleusercontent.com/K4F_TejNQJYXVUE0Y5vqA8vqzLifaksq_3b-ZCQS-AyIKLB5EPZ1fV5iRzj7wYdkHA6jPLXMVgFAeSX-GK-bxEGC2DZLKRSKNXW_MPs9jqP5jtNZ7KOBnYwHwApeRBtBV5IG7B4KjeXd_yUfWLcuXw

answer is A.

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Detailed Solution

Concept- A perfect square is a positive integer that is obtained by multiplying an integer by itself. Perfect squares are sums that are the products of integers multiplied by themselves, to put it simply. A perfect square is a number that can be written as the second exponent of an integer or as the product of an integer by itself. Because it is the result of the integer 5 multiplied by itself, for instance, 25, is a perfect square.
Use the concept of finding a perfect square and check whether the remaining numbers have any square root or not.
seoThe smallest four-digit number is not a perfect square are
https://lh6.googleusercontent.com/_IXIvxzE1E6ybphIL2SNZL4yeqB82hH2lYWAdKena2lO9fWLdEY76qmfEeemyUkBwTxE0bkUV_OdSwafy0nV1TElTMS8uKvKqYs-7WJ2vvujOhQujXwYZG09UmcA0nSy1LTFpFcA0Vgb-gSJ-Zs_UALet us check https://lh4.googleusercontent.com/Svn0r1NH_DBrxPEViGhsbuxDagSPv_uPHgyv9c2T0FClqCkWQeu9cYDGXRgGhuu6uVisWsTtQ6KS9ruZgmS1aJYrCzwWAWD3vXqhpjxU2xkXhXvPd9m37ZGSc0GJ5zRFwUXWFWNljStAeX1r9QqtPA whether it is a perfect square or not,
 Therefore,The smallest four-digit number which is a perfect square is 1024.
 Hence, the correct answer is option number 1) 1024
 
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Find the smallest four digit number which is a perfect square