Question

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5aeba673bacd9c64c46e2d06d36eca35.pdf

Answer 1

Answer:

I can't answer all questions. Try it by yourself

Step-by-step explanation:

SECTION A

1] Make like terms:-

3ax-6ax-ax+5by+by-2by-cz-3cz+5cz

⇒-4ax+4by+1cz

4] [ 8/5x²- 2/3x²+ 3/2x- 1] - [x/5³-3/2x²+ 2/3x+ 1/4]

   [x/5³-3/2x²+ 2/3x+ 1/4] - [ 8/5x²- 2/3x²+ 3/2x- 1]

   x/5³-3/2x²+ 2/3x+ 1/4 - 8/5x²+ 2/3x²- 3/2x+ 1

Make like terms:- [ solve it ]

SECTION B

5] $\frac{11}{40}$ × 100= $\frac{55}{2}$ % or 27.5%

6] 12.5 ÷ 100 = 0.125

    0.125= $\frac{0.125}{1}$

   $\frac{0.125*1000}{1*1000}$

 = 125 / 1000

 =$\frac{125 divided by 125}{1000 divided by125}$  

 =$\frac{1}8}$ = 1 : 8

9] 8% of 125

 $\frac{8}{100}$×125= 10

SECTION C

14] 1152 ------ 8

    3888 ------ ?

⇒$\frac{3888 * 8}{1152}$ = 27 cartoons

STAR QUESTIONS

let 1st no. be x

increase by 10%  

x+x/10=11x/10

now decrease 10%  

11x/10-(11x/10)/10=99x/100

the decrease is x-99x/100

x/100

decrease % is 1%

LOGICAL REASONING

Q1. 15

Q2. 22

Q3. 10

Q4. 1/8

Q5. 20