Number System Question 1 | CAT 2020
How many 3-digit numbers are there for which the product of their digits is more than 2 but less than 7?
Number System Question 1 | CAT 2020 Read More »
How many 3-digit numbers are there for which the product of their digits is more than 2 but less than 7?
Number System Question 1 | CAT 2020 Read More »
For a 4-digit number, the sum of its digits in the thousands, hundreds and tens places is 14, the sum of its digits in the hundreds, tens and units places is 15, and the tens place digit is 4 more than the units place digit. Then the highest possible 4-digit number satisfying the above conditions
Number System Question 2 | CAT 2021 Read More »
A school has less than 5000 students and if the students are divided equally into teams of either 9 or 10 or 12 or 25 each, exactly 4 are always left out. However, if they are divided into teams of 11 each, no one is left out. The maximum number of teams of 12 each
Number System Question 4 | CAT 2022 Read More »
For some natural number n, assume that 15000! is divisible by (n!)!. The largest possible value of n is:
Number System Question 3 | CAT 2022 Read More »
Consider six distinct natural numbers such that the average of the two smallest numbers is 14, and the average of the two largest numbers is 28. Then, the maximum possible value of the average of these six numbers is:
Number System Question 1 | CAT 2022 Read More »
The number of all natural numbers up to 1000 with non-repeating digits is:
Number System Question 7 | CAT 2023 Read More »
The number of coins collected per week by two coin-collectors A and B are in the ratio 3 : 4. If the total number of coins collected by A in 5 weeks is a multiple of 7, and the total number of coins collected by B in 3 weeks is a multiple of 24, then
Number System Question 6 | CAT 2023 Read More »
The sum of the first two natural numbers, each having 15 factors (including 1 and the number itself), is:
Number System Question 5 | CAT 2023 Read More »