Find the cost of ploughing a rectangular farm at the rate of Rs-12-m- having length and breadth equal to 12 m and 5 m respectively-A- Rs- 120B- Rs- 360C- Rs- 720D- Rs- 240

The correct option is C Rs.720 Area of rectangular field = length × breadth = 12 ×5= 60 m^2 Total money required = Total area × cost per unit sq. ...

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Standard VI

Mathematics

Decimal Division

Find the cost...

Question

Find the cost of ploughing a rectangular farm at the rate of Rs.12/m², having length and breadth equal to 12 m and 5 m respectively.

Rs.120

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Rs.720

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Rs.360

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Rs. 240

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Solution

The correct option is B
Rs.720

$A r e a o f r e c t a n g u l a r f i e l d = l e n g t h \times b r e a d t h = 12 \times 5 = 60 m^{2}$

$T o t a l m o n e y r e q u i r e d = T o t a l a r e a \times c o s t p e r u n i t s q . m e t r e$
$= 60 \times 12 = R s .720$

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Find the cost of ploughing a rectangular farm at the rate of Rs.12/m2, having length and breadth equal to 12 m and 5 m respectively.

The correct option is B Rs.720 Area of rectangular field = length×breadth=12×5=60m2 Total money required = Total area×cost per unit sq. metre =60×12=Rs.720

Find the cost of ploughing a rectangular farm at the rate of Rs.12/m², having length and breadth equal to 12 m and 5 m respectively.

The correct option is B
Rs.720

$A r e a o f r e c t a n g u l a r f i e l d = l e n g t h \times b r e a d t h = 12 \times 5 = 60 m^{2}$

$T o t a l m o n e y r e q u i r e d = T o t a l a r e a \times c o s t p e r u n i t s q . m e t r e$
$= 60 \times 12 = R s .720$