but how?
24*4= x(x+4)
solve this
answer is x=8
X+4= 12
15km/hr
14 km/h
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4 boy 3 sis
=36*84/ lcm
= 36 * 84 / (12 * 3 * 7 )
HCF= 12
I am looking for a qualified chartered accountant in my profile who is known for his excellence in the field.
D also increases
D & T are directly proportional
answer :
Let the distance which I walk to the station be x km Then Time needed to reach the station at 3 km/hr = (3x+602) hrs and
Time needed to reach the station at 4 km/hr = (4x+602) hrs But 3x+301=4x−301⇒3x−4x=−302=151
⇒124x−3x=151⇒12x=151⇒x=1512=54 km
C. 4
33
DISTANCE=TIME *SPEED
D=?
48*(5/18)=13.33m/s
D=9*13.333=120m
B