Problem: riya and priya set on a journey . riya moves eastward at a speed of 18 kmph and priya moves westward at a speed of 24 kmph . how far will be priya from riya after 15 minutes 
Options: a ) 25 kms , b ) 11 kms , c ) 50 kms , d ) 30 kms , e ) 40 kms
b