21 A line segnnent 32cm long is divided into two parts in the ratio 3:5 Find the length - Maths - Rational Numbers

Question

21   A   l i n e   s e g n n e n t   32 c m
  l o n g   i s   d i v i d e d   i n t o
  t w o   p a r t s   i n   t h e   r a t
i o   3 : 5   F i n d   t h e   l e n g t h
  o f   e a c h   p a r t     22   M
r   H i m a n s h u   a n d   h i s   w i f e
  a r e   b o t h   e m p l o y e d     a
n d   e a r n   R s   15 , 120 a n d   R s
  8 , 640   p e r   m o n t h r e s p e c t i v e l
y   F i n d   t h e   r a t i o   o f  
  I   M r   H i m a n s h u ' s   i n c o m e
  t o   t h e   i n c o m e   o f   h i s
  w i f e     I l   M r   H   i r n a
n s h u ' s   i n c o m e   t o   t h e   t o t
a l   i n c o m e   o f   t h e   t w o

Neha Sethi · Accepted Answer

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query
21
Total length of line segment=32 cmLet the common ratio be=xSo, 3x+5x=32⇒8x=32⇒x=4 cmSo, length of first part=3×4=12 cmlength of second part=5×4=20 cm
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