What is the unit digit in the product (3^65 x 6^59 x 7^71)? – McqOptions

MCQOPTIONS

1.	What is the unit digit in the product (3^65 x 6^59 x 7^71)?
A.	1
B.	2
C.	4
D.	6
Answer» D. 6

Discussion

No Comment Found

Related MCQs

Which of the following numbers will completely divide (3^25 + 3^26 + 3^27 + 3^28) ?
When a number is divided by 13, the remainder is 11. When the same number is divided by 17, then remainder is 9. What is the number ?
If (64)^2 - (36)^2 = 20 * x, then x = ?
In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient ?
(1000)^9 ÷ 10^(24) = ?
The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:
Find the odd man out:331, 482, 551, 263, 383, 362, 284
In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
(x^n - a^n) is completely divisible by (x - a), when