The greatest number that divides 210, 1200 and 1450 and leaving remainder 6, 10 and 5 respectively is:  Choices.
A) 17  B) 18  C) 19  D) 21  E) 23
explanation:   210-6= 
<gadget id="calculator">210-6</gadget>
<output>204</output>
204, 1200-10= 1190 and   1450-5= 
<gadget id="calculator">  1450-5</gadget>
<output>1_445</output>
1445   the highest number that can divide 204, 1190 and 1445 is HCF of numbers.   HCF of 204, 1190,1445=17   17nswer:17
<result>A</result>
The greatest number that divides 210, 1200 and 1450 and leaving remainder 6, 10 and 5 respectively is: