EXERCISE –1 Q.1 Let x = 1! + 2! + 3! + 4! + ... + 100!. Unit's digit of (a) 3 (b) 1 (c) or 3 depending upon the number of times x appears in the power. (d) Can’t…
1. XAT-2009 Name _______________________________ Test Booklet No. XAT ID ______________________________ Booklet Series: A INSTRUCTIONS 1. DO NOT OPEN THIS TEST BOOKLET UNTIL…