PRACTICE QUESTIONS 02

Practice Questions 02

1.       Find the cube root of 1728

2.       Find the product of ( p+q)(r+s)

3.       Simplify (a+1)(2a-1) – ( 3a -1 )

4.       Find the value 983² – 17²

5.       A machine in a soft drink factory fills 840 bottles in 6 hours. How many bottles will it fill in 5 hours.

6.       15 men can dig a pit in 8 days. How many men can dig it in 6 days ?

7.       Using Euler’s Formula Find the vertices if E=12 , F=6

8.       Find the value of the letters

          12A

   +    6AB

          A09

9.       Divide the sum of -3/4 and 5/6 by their product.

10.   If 3/5 of a number exceeds its 2/7 by 44. Find the number

11.   The student of class VIII of a school donated Rs.2401 in all for prime minister relief fund.Each student donated as many rupees as the number of students in the class.Find the number of students in the class.

12.   Find the square root by long division method 12321

13.   Subtract 6a + b+3c +8 from a-2b-5c-8

14.   Divide 16x⁴ +12x³-8x² - 2x

15.   Factorize 4x²+8x+4

16.   An urn contains 10 red, 12 white , 13 black , 15 yellow ball. A ball is drawn at random .What is the probability that ball draw is

             i)Yellow ball

             ii) Black ball

            iii)Red ball

           iv) White ball

           v) not red

17.   Find the product of ( 4a+9) ( a-6)

18.   Using identity find the value 194 x 206

19.   A famer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle ?

20.   Simply √1204.9 - √125.44