PRACTICE QUESTIONS_21.07.2017

PRACTICE QUESTIONS_21.07.2017

                       PRACTICE QUESTIONS_21.07.2017

1.  SA marks of 30 students of a class are given below:-

62,80,75,84,73,60,10,45,30,84,19,14,25,92,56,45,78,36,98,63,14,25,36,25,14,25,96,85,74,58

Construct a frequency table with class intervals 10-20 (where 20 is not included)

2. Find 10 rational number between 2/3 and 3/4

3. Divide the sum of 65/12 and 8/3 by their difference .

4. Find the value of x        5^2x+1 ÷ 25 = 125

5. Write in standard form 0.000000685

6. Divide 9x – 6 x² + x³ - 2 by x - 2

7. Evaluate by using identity 103²

8. Factorise  6x²-17x-3

9. A drum full of rice weighs 40 1/6 kg. If the empty drum weighs 13 ¾ kg ,find

     the weight of rice in the drum .

10 .Multiply ( 2x+y) ( 3x+2y+7)

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