Jammu and Kashmir Board Solutions for Chapter: Comparing Quantities, Exercise 8: THINK, DISCUSS AND WRITE

Find the value of $x$ if $x\%$ of $x=x$.

If price of tea increased by $20\%$ by what percent must the consumption be reduced to keep the expense the same? Give the answer in $\%$ in mixed fraction.

A shopkeeper sold two radio sets for $₹990$ each. On one he made a gain of $10\%$ and on the other a loss of $10\%$. Find his overall gain or loss.

The population of a town decreases to $100000$ in the year $2010$ at a rate of $5\%$ per annum. Find the population before $5$ years in the year $2005$.

In an examination, the maximum marks in Mathematics, English, Science, Social Studies and Urdu are $200, 200, 150, 150$ and $100$, respectively. A student got $70\%$ in Mathematics, $61\%$ in English, $60\%$ in Science, $50\%$ in Social Studies and $61\%$ in Urdu. Find his overall percentage in the examination.

Find the compound interest on a loan of $₹1000$ at $10\%$ per annum for $3$ years compounded yearly. Also, calculate simple interest. Find the difference between two kinds of interest charged.

The difference between simple interest and compound interest on a certain sum at the rate of $10\%$ per annum for a period of $3$ years compounded yearly is $₹31$. Find the sum in $₹.$

Three girls Sadaf, Iqra and Bisma to participate in quiz competition based on a book. Sadaf read one-third of the book, Iqra two-fifth and Bisma read one-fourth. If two pages are still unread. Find the number of pages in the book. How many did each read?