Factorial Fraze (Know more about Factorial) for CAT 2018-2019FactorialsQ) If N = 1! – 2! + 3! – 4! +…..+ 23! – 24! + 25!, then what is the unit digit of N2524? (a) 9 (b) 1 (c) 7 (d) 0 Read More
Maximum- Minimum: Completing Square Method – ProblemsMaximum- Minimum Q) Find the minimum value of a)1 b)49 c)65 d)None of these Read More
It is a numbers affair! Q) What is the next number in the series 01, 1011, 111021, 31101211…… ? Read More