05.10.2022

# By selling an exhaust fan for Rs. 1470, a man gains profit of 1/6 of its cost price. Find its cost price.

1

09.07.2023, solved by verified expert

Rs 1260

Step-by-step explanation:

let x be the cost price , then

x + x = 1470 , that is

x = 1470 ( multiply both sides by 6 to clear the fraction )

7x = 8820 ( divide both sides by 7 )

x = 1260

The cost price was Rs 1260

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Mathematics

Rs 1260

Step-by-step explanation:

let x be the cost price , then

x + x = 1470 , that is

x = 1470 ( multiply both sides by 6 to clear the fraction )

7x = 8820 ( divide both sides by 7 )

x = 1260

The cost price was Rs 1260

Mathematics

The answer is in the image

Mathematics

Cost of 7 gallons=$24.50 Cost of 1 gallon=24.50/7=3.5 Cost of 15 gallons=15*3.5=52.5 Cost of 15 gallons will be$52.5

Mathematics

The answer is in the image

Mathematics

For every 8 cars there are 7 trucks

Therefore,

Cars:Truck=8:7

Mathematics

Speed=Distance/time

Here,

distance=15m

time=1sec

speed=15/1=15m/sec

Distance=Speed*time

time=15min=15*60sec=900sec

Distance travelled in 15 min=15*900=13,500m

=13500/1000 km=13.5Km

Mathematics

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

Mathematics

The answer is in the image

Mathematics

The answer is in the image

Mathematics