On dividing 22 by a number, the quotient is 7 and the remainder is 1. Find the divisor.  Choose one
A) 1 B) 2 C) 3 D) 6 E) 7
d = (D-R)/Q   = (22 - 1)/7   = 21/7= 
<gadget id="calculator">21/7</gadget>
<output>3</output>
3   3
<result>C</result>
On dividing 22 by a number, the quotient is 7 and the remainder is 1. Find the divisor.