Adaptive Practice
Playing with Numbers
8 questions • Earn up to 82 XP • First attempt — go for 100%!
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Question 1 of 8
⏱ 0:30
Easy
What is the sum of the digits of the number 12345?
Easy
Which of the following numbers is divisible by 3?
Medium
If you reverse the digits of the number 27, what is the difference between the original and the reversed number?
Medium
Find the smallest 4-digit number which is divisible by 9.
Easy
A cricket player scored runs in 5 matches as 45, 56, 67, 78, and 89. What is the average number of runs scored?
Hard
If the difference between a two-digit number and the number formed by reversing its digits is 27, which of the following could be the number?
Easy
Which of the following numbers has the greatest sum of digits?
Hard
A number is such that when multiplied by 9 and then 8, the result is 648. What is the number?