UP POLICE CONSTABLE QUANT QUIZ

Question 1:

The average age of 20 boys in a class is 12 years. 5 new boys are admitted to the class whose average age is 7 years. The new average age of the boys in the class becomes -

$8.2$ years

$9.5$ years

$12.5$ years

11 years

Question 2:

The value of $x$ when $5 \%$ of $\sqrt{2 x}$ is $0.01$ will be:

$0.03$

$0.02$

$0.01$

$0.05$

Question 3:

Two numbers are respectively $20 \%$ and $50 \%$ more than a third number. The ratio of the first two numbers is.

$2: 5$

$3: 5$

$4: 5$

$6: 7$

Question 4:

A certain sum of money amounts to Rs. 5000 in 5 years at $10 \%$ per annum. In how many years will it amount to Rs. 6000 at the same rate?

8 years

6 years

10 years

9 years

Question 5:

In $\triangle \mathrm{ABC}$, if the ratio of angles is in the proportion of 7:5:8, then the difference between the biggest and smallest angle (in degrees) is:

18

9

27

36

Question 6:

In what time will Rs. 8000 , at $3 \%$ per annum, produce the same interest as Rs. 6000 does in 5 years at $4 \%$ simple interest is?

5 years

6 years

3 years

4 years

Question 7:

What is the largest four digit number that is divisible by $64,320,960$.

9894

9498

9984

8994

Question 8:

Aman buys some fruits for Rs. 646 . He sells $\frac{3}{5}$ of it at a loss of $6 \%$. At what profit $\%$ should he sell the remaining fruits, ifhe wants to make a profit of $8 \%$ on the whole transaction?

$29 \%$

$27 \%$

$21 \%$

$19 \%$

Question 9:

What will come in place of question mark (?) in the following question?

$(\sqrt{64}+3)^{3}=750+?$

576

581

588

590

Question 10:

The price of an article increases by $10 \%$ every year. If the difference between its price at the end of the second and the third years is Rs $15.73$, then what will be its price at the end of the first year?

130

143

110

134