The cost of a pen and a pencil are 10 rupee and 4 rupee respectively. If a shopkeeper gives a disc

M4maths Previous Puzzles

23 Aug 2010 Total Cost?

The cost of a pen and a pencil are 10 rupee and 4 rupee respectively. If a shopkeeper gives a discount of 10 % and 4 %
in the two items respectively. Then total cost of 10 pens and 4 pencils is

OPtion

1) 109.38
2) 104.40
3) 111.36
4) 110.24
5) 105.36
6) 108.46
7) 101.24
8) 99.20
9) 106.28
10) 98.28

Solution

Total cost of pens after taking discount of 10 % = 10 * 10 * 0.9 = 90
Total cost of pencils after taking discount of 4 % = 4 * 4 * .96 = 15.36

Correct Option: 5 Best Solution (6)

Dr.Dipin Singh   14 years AGO

Total cost is RS 100+16=116.

Discount on Rs 100 @ 10%= Rs 10.
Discount on Rs 16 @4% =Rs. 0.64
Final cost = 116-10-0.64 = 105.36

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Dimple   14 years AGO

The cost of a pen and a pencil are 10 rupee and 4 rupee respectively. If a shopkeeper gives a discount of 10 % and 4 % in the two items respectively. After discount, the cost of a pen and a pencil are Rs 9 and Rs 3.84 (4*0.96) respectively. Then total cost of 10 pens and 4 pencils is Rs 90+ 15.36 or Rs. 105.36.

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Karthik Pandiyan   14 years AGO

cost of pen with 10% discount=9;
cost of pencil after 4% discount =3.84;
1 pen +4 pencil =10(9)+4(3.84)=90+12.36=105.36

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Dinesh Babu   14 years AGO

pen cost is 10,Pencil is 4. Discount for pen is 10% so cost of pen is 9, Discount for pencil is 4% so cost of pencil is 3.84, 10 pen 90 rs and 4 pencil is 15.36, therefore total cost is 105.36

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Sukham   14 years AGO

100+16-10-0.64= 105.36

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Bankim   14 years AGO

90+15.36=105.36

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