What is the unit digit in the following product?
91 × 92 × 93 × ..... × 99

In 4650423 sum of place value of 4 is:

The digit at units place in the product of first ten prime number is

What is the unit digit of  (17¹² + 38⁷⁹) × 1853¹⁹⁴⁷ ?

​The digit in the unit's place of  $$2^{30}$$​ is: ​​

The sum of a two-digit number and the number obtained by reversing the digits is 99. If the digits of the number differ by 7, then the two-digit number can be:

When you reverse the digits of the number 14, the number increases by 27. How many other two-digit numbers increase by 27 when their digits are reversed?

The digit in the unit's place of the product 61 × 62 × 63........ × 69 is:

Find the units digit in the product of $$(127)^{153}×(341)^{89}$$​.

Find the digit in the unit's place of $$124^\text{n}+124^\text{n+1}$$​, where n is any whole number.

The units digit of a 2-digit number is three times its tens digit. If the units digit is 6, what is the value of twice the number?