ASSIGNMENT 03_18.10.2018

                    DASS AND BROWN WORLD SCHOOL

Class VIII               ASSIGNMENT NO -03 (18.10.2018)   

  

Q1.Convert each of the following ratios into percentage:

(i)14:25              (ii) 5:6

Q2. Express 75 paise as a percentage of Rs 6.

Q3.The price of a shirt is reduced by 12% in a discount sale. If its present price is Rs 1188, find its original price.

Q4.The value of a a machine depreciates 5% every year. If the present value of the machine is Rs 100000 , what will be its value after 2 years?

Q5.The population of a town increases 8% annually. If its present population is 142560, what was it a year ago?

Q6.By selling a rickshaw for Rs 9240, Bansi loses 12%. For how much should he sell it to gain 12%?

Q7.Out of her total monthly salary. Tanvy spends 30% on house rent and 60%

       of the rest on household expenditure. If she saves Rs 10500 , what is her

       total monthly salary ?

Q8.A’s income is 60% more than that of B . By what percent is B’s income less

      than  A’s ?

Q9.Amit earns Rs 32000 per month . He spends  of his income of food :  

      of the remainder on house rent and  of the remainder on the education

      of children. How much is still left with him ?

Q10.Simplify

( 4x²+5x –7) ( x–1)

Date of submission :- 22.10.2018