Subject :Rea Class : Class 4

Subject :Rea Class : Class 3

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Subject :Sam Class : Sample

## Ans 2:

Class : Class 4

Actually red is spelling mistake and green is grammar mistake,so correct answer is 'D'. If you want proof search in Google.

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Subject :Sam Class : Sample

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Subject :Sam Class : Sample

## Ans 1:

Class : Class 7

Let x be no. of 1st prisesSo, no. of 2nd prices=40-xThe equation formed is 2500x 1500(40-x)=8500Solving this we get the solution x=25So no. Of first prices = 25No. Of second prices = 40 - x = 15Thank you

## Ans 4:

Class : Class 7

Let x be no. of 1st prisesSo, no. of 2nd prices=40-xThe equation formed is 2500x 1500(40-x)=8500Solving this we get the solution x=25So no. Of first prices = 25No. Of second prices = 40 - x = 15

## Ans 5:

Class : Class 6

let x be no of 1st prize2nd prizes is 40 - 1st prizetherefore 2nd prize is (40-x)2500x 1500(40-x)=85000for simpler Q;25x 15(40-x)=85025x 600-15x=85010x=250x, which is 1st prizes, = 25;40-x(second prizes) is 40-25 which is 15. easy

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Subject :Sam Class : Sample

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Subject :Rea Class : Class 4

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Subject :Sam Class : Sample

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Subject :Sam Class : Sample

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Subject :Sam Class : Sample