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CBSE Class 9 Answered

25 The "Caring old people organisation"  needs money to build the old age home which requires 164000 bricks.  Bricks measure 10 cm8 cm 4 cm and cost of brick depends on its volume at the rate of ` 1 per 100 cm3.  It requires 4 cylindrical cans of paint of radius 14 cm and height 30 cm.  The cost of paint is ` 1 per 20 cm3.  How much money is required by organisation ?  If “A company gives the money to organization” then, what common value is depicted by A company and organisation.
Asked by harshsejal.83 | 16 Feb, 2023, 03:36: PM
answered-by-expert Expert Answer
V o l u m e space o f space o n e space b r i c k space equals space 10 space cross times 8 cross times 4 equals 320 space c m cubed
T o t a l space b r i c k s space equals space 164000
H e n c e comma space v o l u m e space o f space 164000 space b r i c k s space equals space 5 comma 24 comma 80 comma 000 space c m cubed
C o s t space o f space 100 space c m cubed equals R s. space 1
T h e r e f o r e comma space cos t space o f space space 5 comma 24 comma 80 comma 000 space c m cubed space equals fraction numerator space 5 comma 24 comma 80 comma 000 over denominator 100 end fraction space equals R s.5 comma 24 comma 800
V o l u m e space o f space 1 space c y l i n d r i c a l space c a n equals 22 over 7 cross times 14 cross times 14 cross times 30 equals 18 comma 480 space c m cubed
T o t a l space c a n s equals 4
H e n c e comma space v o l u m e space o f space 4 space c a n s equals 73 comma 920 space c m cubed
C o s t space o f space 20 space c m cubed equals R s. space 1
T h e r e f o r e comma space cos t space o f space space 73 comma 920 space c m cubed space equals fraction numerator space 73 comma 920 over denominator 20 end fraction space equals R s.3 comma 696
T o t a l space cos t equals R s.5 comma 24 comma 800 plus R s.3 comma 696 equals R s.5 comma 28 comma 496
 
The value depicted by the company and organisations shows responsibility towards society and helping old people.
Answered by Rashmi Khot | 16 Feb, 2023, 04:08: PM
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