Subject Experts Solutions for Chapter: Comparing Quantities, Exercise 4: SUMMATIVE ASSESSMENT

What is the price marked on the goods called ?

To convert a fraction or a decimal to a percentage, multiply by _____.
 

If $30\%$ of $\mathrm{x}$ is $400$, then find the value of $\mathrm{x}$.

The following table shows the cost of sunscreen of two brands with and without sales tax.

Which brand has a greater sales tax rate? Give the sales tax rate for each brand.

How much more percent seats were won by $X$ as compared to $Y$ in the assembly election, in the state based on the data given below?

A sum of $₹16000$ is invested for $3 \mathrm{yr}$ at$10\%$ per annum interest compounded annually. Find the sum due at an end of the first year, second year, and third year. Also find the interest and compound interest earned in the second year.

Kunal borrowed from Ricky a certain sum for$2 \mathrm{yr}$at simple interest. Kunal lent this sum to Sanjay at the same rate for$2 \mathrm{yr}$ at compound interest. At the end of $2 \mathrm{yr}$he received $₹220$ as compound interest but paid $₹200$as simple interest. Find the sum and rate of interest.

A man while writing his will wished to give$48\%$of his wealth to his wife, $32\%$ to his only son,$10\%$to his servants, and $₹302250$to trust for giving scholarships to poor students for their studies.
How much money his wife, son and servants will get?  Which values are depicted here?