Latest L&T Aptitude Question SOLUTION: The cost of four dozen accounting machine ribbons and six dozen proof machine ribbons was Rs. 188/-. If two dozen proof machine ribbons cost Rs. 36/-, what is the cost of 3 dozen a

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(#M40166782) L&T Numerical Ability question Keep an EYE

The cost of four dozen accounting machine ribbons and six dozen proof machine ribbons was Rs. 188/-. If two dozen proof machine ribbons cost Rs. 36/-, what is the cost of 3 dozen accounting machine ribbons?
A)Rs. 45 B)Rs. 72 C)Rs. 54 D)Rs. 60

Asked In L&T Devendra Marghade (4 years ago)

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Aaditya Raj  (3 years ago)

Ans is (D)
since, 2 dozen proof ribbons cost rs 36, so 1 dozen will cost to rs 18, and so cost of six dozen proof ribbons= `18*6=108, and hence, 4 dozen accounting machine ribbons will be 188-108=rs 80. so 1 dozen accnting ribbons = 80/4=rs20, so 3dozen acc. ribbons = 3*20= 60

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vinodreddy sagam  (4 years ago)

ans is : c

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