MBA Exam

What is the number of integers greater than 7000 that can be formed with digits 3, 5, 7, 8 and 9 such that no digits are being repeated?

1) 72
2) 144
3) 120
4) 192
5) 216

Read Solution (Total 1)

there are 5 digits n 3,5,7,8,9
by 5 digits are all greater than 7000
no. of integers can be formed are = 5!= 120
by 4 digits no can be formed = 3*4!=72
total number of digits are 120+72=192
answer is (4)192
11 years agoHelpfull: Yes(0) No(0)

MBA Other Question

Which of the following sequence/s form(s) an arithmetic progression?

1) Only IV
2) II, III and IV
3) II and III
4) None of these
if the roots of the equation 2x^4-8x^3+12x^2-8x+2=0 are x1,x2,x3,x4 then the value of (x1+2x2+3x3+4x4) is equal to

1) 1
2) 10
3) 30
4) none of these