Related InterviewSolutions

• How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?
• How many 6-digit numbers can be formed from the digits 0,3,5,7 and 9 which are divisible by 10 and no digits is repeated?
• If `C(n,12) = C(n,16)`, then `C(30,n) = ?`A. 435B. 870C. 420D. None of these
• If `P(n,6) = 30. P)(n,4)` then `n = ?`A. 10B. 9C. 8D. None of these
• No. of positive integral solutions of the equation `abc = 42` is:A. 27B. 30C. 6D. None of these
• No. of combinations by selecting one or more than one object out of n objects is:A. `2^(n-1)`B. `2^(n-1)`C. `2^(n)`D. None of these
• `lfloor24` is divisible by:A. `6^(24)`B. `24^(6)`C. `48^(6)`D. None of these
• No of 4 digit numbers formed with the digits 3,4,5 and 6 which are divisible by 5, are:A. 24B. 12C. 6D. 3
• The sum of all five digit numbers formed with the digits 1,2,3,4,5 without repetition of digits areA. 3,00,000B. 3,60,000C. 3,90,000D. None of these
• No. of even 6 digits numbers, without repetition of digits, using digits 1,2,3,4,5,6,7 are:A. 720B. 288C. 144D. None of these