DELHI POLICE CONSTABLE QUANT QUIZ

Question 1:

Direction : Study the following line chart and table chart carefully and answer the question given beside

Mehandi and Supriya are working in a chemistry Lab and handled different number of student's everday.

Number of students visiting the chemistry Lab on different days.

Students handled by Mehandi on Thursday and Friday are what percentage of students handled by Supriya on Thursday.

$214.67 \%$

$184.09 \%$

$134.64 \%$

$186.56 \%$

Question 2:

On selling an article, Profit made was $60 \%$, if the cost price increases by $12 \%$. What will be the new profit\%?

$48 \%$

$45 \frac{2}{7} \%$

$42 \frac{6}{7} \%$

$40 \frac{1}{7} \%$

Question 3:

Find the average of reciprocals of $\mathrm{x}, \mathrm{y}$ and $z:$

$x+y+z$

$\frac{x+y+z}{3}$

$\frac{x y+y z+x z}{3 x y z}$

$\frac{x y+y z+x z}{x y z}$

Question 4:

What is a single discount equivalent to two successive discounts of $10 \%, 20 \%$ ?

$26 \%$

$27.5 \%$

$28 \%$

$24.5 \%$

Question 5:

A train overtakes two persons who are walking in the same direction in which the train is running, at the rate of 4 kmph and 7 kmph and passes them completely in 15 and 16 seconds respectively. The length of the train (in metres) is:

250

54

200

72

Question 6:

An article is sold for Rs 1725 at $15 \%$ Profit . If it is sold at $15 \%$ loss, then what will be the selling price ?

Rs.1025

Rs. 1275

Rs. 1325

Rs. 1475

Question 7:

If $a+b=18, a b=72$ and $a^{3}+b^{3}=5832$ then find the value of $\frac{\mathrm{a}^{2}+\mathrm{b}^{2}}{\mathrm{ab}}$.

2.5

5.5

1.5

4.5

Question 8:

Find the value of $\sqrt{4900}+\sqrt{5476}=?$

$176$

$144$

$116$

$112$

Question 9:

Anita bought a car for Rs. $11,31,846$ which is $43 \%$ of her annual income. What is her monthly income (in rupees)?

$2,19,250$

$2,19,350$

$2,19,650$

$2,20,250$

Question 10:

The compound interest for 2 years at a certain rate of interest is 45 rupees and the simple interest for the same time and same rate of interest is 40 rupees then find the principal?

Rs.250

Rs.80

Rs.150

Rs.180