Problem: Find solutions of equation x^2+y^2+z^2=8x-2x-8, if is natural number …….
Problem: Find solutions of equation \( x^2+y^2+z^... »
Month: November 2021
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Problem: For every positive integer a , find a composite number n such that n| a^n – a .
Problem: For every positive integer a , find a com... »
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Problem: In the sequence 20, 202, 2020, 20202, 202020 …….. each subsequent number is obtained by adding the digit 2 or 0 to the previous number, alternately. Calculate the sum of the digits of the first 100 numbers of that sequence which are divisible by 202
Problem: In the sequence 20, 202, 2020, 20202, 202... »
Problem: From all three-digit numbers find the one that, when divided by the sum of its digits, gives the largest result.
Problem: From all three-digit numbers find the one... »
Problem 1:An archer shoots an arrow at a 75 m distant target; the bull’s-eye of the target is at same height as the release height of the arrow. If d = 75 m and v = 37 m/s. At what angle must the arrow be released to hit the bull’s-eye if its initial speed is 37m/s?
Problem1 : An archer shoots an arrow at a 75 m dis... »
Problem9: A combined solid made up of a radius 3 cm and length h cm and a hemisphere with the same radius as the cylinder has volume 792 cm cube . find the value of h.
Problem9: A combined solid made up of a radius 3 c... »