HSC Arts Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Count the number of three-digit numbers which can be formed from the digits 2, 4, 6, 8 if repetitions of digits is not allowed

How many three-digit numbers are there with 3 in the unit place?
with repetition

How many three-digit numbers are there with 3 in the unit place? 
without repetition

How many numbers are there between 100 and 500 with the digits 0, 1, 2, 3, 4, 5? if repetition of digits allowed

How many numbers are there between 100 and 500 with the digits 0, 1, 2, 3, 4, 5? if the repetition of digits is not allowed

How many three-digit odd numbers can be formed by using the digits 0, 1, 2, 3, 4, 5? if the repetition of digits is not allowed

How many three-digit odd numbers can be formed by using the digits 0, 1, 2, 3, 4, 5? if the repetition of digits is allowed

Count the numbers between 999 and 10000 subject to the condition that there are no restriction

Count the numbers between 999 and 10000 subject to the condition that there are no digit is repeated

Count the numbers between 999 and 10000 subject to the condition that there are at least one of the digits is repeated

How many three-digit numbers, which are divisible by 5, can be formed using the digits 0, 1, 2, 3, 4, 5 if repetition of digits are not allowed?

How many three-digit numbers, which are divisible by 5, can be formed using the digits 0, 1, 2, 3, 4, 5 if repetition of digits are allowed?

To travel from a place A to place B, there are two different bus routes B₁, B₂, two different train routes T₁, T₂ and one air route A₁. From place B to place C there is one bus route say B₁, two different train routes say T₁, T₂ and one air route A₁. Find the number of routes of commuting from place A to place C via place B without using similar mode of transportation

How many numbers are there between 1 and 1000 (both inclusive) which are divisible neither by 2 nor by 5?

How many strings can be formed using the letters of the word LOTUS if the word either starts with L or ends with S?

How many strings can be formed using the letters of the word LOTUS if the word neither starts with L nor ends with S?

Count the total number of ways of answering 6 objective type questions, each question having 4 choices

In how many ways 10 pigeons can be placed in 3 different pigeon holes?

Find the number of ways of distributing 12 distinct prizes to 10 students?

Find the value of 6!