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Consider four digit numbers for which the first two digits are equal and the last two digits are also equal. How many such numbers are perfect squares?

If p+q+r = 7, find the minimum possible value of p^2 + 9(q^2) + 4(r^2)?

What is the remainder when 50! Is divided by 47^2 ? Please explain it by using wilson theorem.

https://cracku.in/cat/history/1431924?src=test. Can you pls provide the solution of the Q1 and Q4 with the help of a diagram in the Test Set.

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need links for general science and general reasoning/analyricala ability test, thanks! ;)

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in the solution of the 5th question of concept test of time and work,the total work units is assumed to be 60 units..I calculated the LCM according to the concept given but I failed to get 60 units...this same type of assumptions are also made in other questions of concept test of time and work...Can u please elaborate the calculation of this assumed work units..

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