UPSI QUANT QUIZ 9

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Question 1:

A solution contains $32 \mathrm{~g}$ of common salt in $320 \mathrm{~g}$ of water. Calculate the concentration in terms of mass by mass percentage of the solution.

Question 2:

 If the circumference of the circle and the parimeter of the square are equal, then find the ratio of the area of the circle to the area of the square.

Question 3:

If 20 persons can clean 20 floors in 20 days, then in how many days can 16 persons clean 16 floors?

Question 4:

A sum becomes 5 times of itself on simple interest in 5 years. What is the rate of interest?

Question 5:

If the compound Interest for the $3^{\text {rd }}$ and $4^{\text {th }}$ year on a certain principal is Rs 125 and RS 135 respectively, what is the rate of interest (in %)?

Question 6:

Find the value of $ 3 \frac{5}{6}+\left[3 \frac{2}{3}+\left\{\frac{15}{4}\left(5 \frac{4}{5} \div 14 \frac{1}{2}\right)\right\}\right] $

Question 7:

An article is marked $35 \%$ above its cost. If a profit of $20 \%$ is earned by selling the article, then the discount percent offered on the marked price of the article is:

Question 8:

In a factory the production of cement rose 4840 tonnes from 4000 tonnes in two years. Find the rate of growth per annum.

Question 9:

Three numbers are in the ratio $15: 17: 19$. If the difference between thrice the third number and the sum of first and second number is 625 . Find the difference between the first and third number.

Question 10:

There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group $\mathrm{A}$ is $25 \mathrm{~kg}$, and that of group B is $40 \mathrm{~kg}$, find the average weight of the whole class.