JEE Main 20199 Jan, Evening shiftMathematicsEasyPermutations and Combinations98× since 2002
The number of natural numbers less than 7,000 which can be formed by using the digits 0, 1, 3, 7, 9 (repitition of digits allowed) is equal to :
JEE Main 2019 · 9 Jan, Evening shift · Q4790