RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A

RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 11 Profit and Loss Ex 11A.

Other Exercises

Question 1.
Solution:
(i) C.P. = Rs. 950
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 1
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 2
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 3

Question 2.
Solution:
(i) CP = Rs. 2400
SP = Rs. 2592
Gain = SP – CP = Rs. 2592 – Rs. 2400 = Rs. 192
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 4
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 5

Question 3.
Solution:
(i) S.P. = Rs. 924
Gain% = 10%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 6
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 7
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Question 4.
Solution:
C.P. of an almirah = Rs. 13600
Amount spent on transportation = Rs. 400
Total cost price (CP) = Rs. 13600 + Rs. 400 = Rs. 14000
SP = Rs. 16800
Total gain = SP – CP
= Rs. 16800 – Rs. 14000 = Rs. 2800
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 9

Question 5.
Solution:
CP of an old house = Rs. 765000
Amount spent on repairs = Rs. 115000
Total cost price (CP) = Rs. 765000 + Rs. 115000 = Rs. 880000
Gain = 5%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 10

Question 6.
Solution:
CP of 1 dozen or 12 lemons = Rs. 25
SP of 5 lemons = Rs. 12
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 11

Question 7.
Solution:
SP of 12 pens = CP of 15 pens
Let CP of 1 pen = Re. 1
The CP of 15 pens = Rs. 15
and SP of 12 pens = Rs. 12
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 12

Question 8.
Solution:
SP of 16 spoons = CP of 15 spoons
Let CP of 1 spoon = Re. 1
Then CP of 15 spoons = Rs. 15
and SP of 16 spoons = Rs. 15
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 13

Question 9.
Solution:
For Manoj
CP of video = Rs. 12000
Gain = 10%
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Question 10.
Solution:
SP of sofa set = Rs. 21600
Gain = 8%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 16

Question 11.
Solution:
SP of a watch = Rs. 11400
Loss = 5%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 17

Question 12.
Solution:
SP of calculator = Rs. 1325
Gain = 6%
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Question 13.
Solution:
SP of computer = Rs. 24480
Loss = 4%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 20

Question 14.
Solution:
In first case gain =15%
and in second case, gain = 20%
Difference = 20 – 15 = 5%
Now 5% of the CP = Rs. 108
CP = \(\frac { 108 x 100 }{ 5 }\) = Rs. 2160

Question 15.
Solution:
In first case, loss = 8%
and in second case gain = 6%
Difference = 8 + 6 = 14%
Now 14% of CP = Rs. 3360
CP = Rs. \(\frac { 3360 x 100 }{ 14 }\) = Rs. 24000

Question 16.
Solution:
SP of first cycle = Rs. 2376
Gain = 10%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 21
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 22

Question 17.
Solution:
SP of an exhaust fan = Rs. 7350
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Question 18.
Solution:
Let CP of watch for Mohit = Rs. 100
Gain =10%
SP for Mohit = Rs. 100 + 10 = Rs. 110
CP for Karim = Rs. 110
Gain = 4%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 24

Question 19.
Solution:
Retail price or S.P. of the machine for retailer = Rs. 37950
Gain = 25%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 25
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 26

Question 20.
Solution:
CP of video = Rs. 20000
and CP of television = Rs. 30000
Loss on video = 5%
and gain on TV = 8%
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 27
Total CP of video and TV = Rs. 20000 + 30000 = Rs. 50000
and SP of video and TV = Rs. 190000 + 32400 = RS. 51400
Gain = SP – CP = Rs. 51400 – 50000 = Rs. 1400
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RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 29

Question 21.
Solution:
SP of 36 oranges = CP of 36 oranges – loss = CP of 36 oranges – SP of 4 oranges
⇒ SP of 36 oranges + SP of 4 oranges = CP of 3 6 oranges
⇒ SP of 40 oranges = CP of 36 oranges
Let CP of each orange = Re. 1
CP of 36 oranges = Rs. 36
and SP of 40 of 40 oranges = Rs. 36
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 30

Question 22.
Solution:
We know that C.P. = S.P. – gain
C.P. of 8 dozen pencils = S.P. of 8 dozen pencils – S.P. of 1 dozen pencils
= S.P. of 7 dozen pencils = Rs. 100 (suppose)
C.P. of 1 dozen = Rs.\(\frac { 100 }{ 8 }\)
RS Aggarwal Class 7 Solutions Chapter 11 Profit and Loss Ex 11A 31

 

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