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(Maths)
IMPORTANT QUESTIONS OF PERMUTATION:
1. How many 6 digits number be can be formed by the digits, 2, 3, 4, 5,
6 ,8 when- (i) All the numbers are divisible by 2
2. How many number can be formed by the digits, 2, 3, 4, 5, 6, 8 when(ii) every Number is greater than 400000?
3. How many four digit numbers can be formed with the digits 3, 5, 7,
and 9 only while repetition of digits is not restricted?
4 x 4 x 4 x 4 = 256
4. How many three letter words can be formed using only consonants but each
only once?
 21 20 19  7980
Date of Release – 17 – MAY – 2017
SUBJECT- MATHS
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