The width of all the three lines of the letter H is 2 mm. Length of two side lines are 8 mm. each an

M4maths Previous Puzzles

08 Nov 2011 letter

The width of all the three lines of the letter H is 2 mm. Length of two side lines are 8 mm. each and that of the middle line is 6 mm. The cost of the letter H in the birthday cake is 10 rupee/mm^2 in golden shining. Total cost for writing H in the cake will be

OPtion

1) 280 rupee
2) 320 rupee
3) 340 rupee
4) 380 rupee
5) 400 rupee
6) 420 rupee
7) 440 rupee
8) 500 rupee
9) 580 rupee
10) none of these

Solution

Total area of the letter H = 8*2+6*2+8*2 = 44 mm^2
so cost = 440 rupee

Correct Option: 7 Best Solution (15)

Ratan Paul   12 years AGO

{(8*2)+(8*2)+(6*2)}*10=440

Like? Yes (9) | No   

Koushik Paul   12 years AGO

[(8*2*2)+(6*2)}*10 = 440 rs.

Like? Yes (4) | No   

UMESH SINGLA   12 years AGO

I I Area of one vertical line= 8* 2= 16mm^2
I===I Area of two vertical lines= 2*16= 32mm^2
I I Area of the horizontal line= 6*2= 12mm^2
I I Total area= 32+12= 44mm^2

Cost per sq. mm= Rs.10/-
Total cost= 44*10= Rs.440/-

Like? Yes (2) | No   

Vaibhav Deshmukh   12 years AGO

Total Area=(8*2+8*2+6*2)mm^2=44mm^2
Total cost=44*10=440rupees

Like? Yes (2) | No   

DEBARSHI DALAI   12 years AGO

area= (2*8)+(2*8)+(2*6) =44
total cost = 44 * 10 = 440mm^2, so the option is 7

Like? Yes (2) | No (1)  

Priyanjali yadav   12 years AGO

8*2+8*2+6*2=44
therefore cost is 44*10= 440

Like? Yes (1) | No   

sivakumar   12 years AGO

(8*2+6)*2=44 mm2*10=RS.440/=

Like? Yes (1) | No   

Suresh Varma P   12 years AGO

Total Area of the letter H is:
2(8*2) + (6*2) = 44 mm^2
As rate is 10 rupee/mm^2
44 * 10 = 440 rupee
Ans: Option 7

Like? Yes (1) | No   

KOUSIK DHARA   12 years AGO

for 2 side lines cost will be 8*2*2*10=320 and for middle line 6*2*10=120.so,total is 440.

Like? Yes (1) | No   

deep   12 years AGO

Area of Side 2 edges,Area1=2*(8*2)=32 mm^2
Area of middle edge,Area2=6*2=12 mm^2
Total Area=32+12=44 mm^2
Total cost=10*44=440 rupee/mm^2.

Like? Yes (1) | No   

Ben Paul   12 years AGO

Split H into 3rectangles.8x2,6x2 and 8x2.find area of each and sum up. So 16+12+16=44. Finally total cost will be 44x10rs=440 rs

Like? Yes (1) | No   

Karan Kosta   12 years AGO

total area is = 8*2+8*2+6*2=44
so total cost is 44*10=440

Like? Yes (1) | No   

dheersinghmeena   12 years AGO

area of two side line = 2*8*2 = 32 mm^2
area of middle line = 2*6 = 12 mm^2
total area = 32+12=44 mm^2
total cost= 44*10= 440 rupee

Like? Yes (1) | No   

rahul garg   12 years AGO

calculate the areas of each line
8*2+8*2+6*2=44mm^2
cost of 1 mm^2=10
then 44mm^2=10*44=440rs

Like? Yes (1) | No   

surajit halder   12 years AGO

TOTAL AREA=(2*8)+(2*8)+(2*6)
=44 mm^2

so,total cost=44*10=Rs.440

so,option: 7

Like? Yes (1) | No (2)