REET MATHEMATICS QUIZ 2

Question 1:

The average of $n,(n+1),(n+2),(n+3),(n+4),(n+5)$ is-

$(n+2)$

$3(2 n+5)$

$n \sqrt{2}$

$\left[n+\frac{5}{2}\right]$

Question 2:

If $x^{2}+\frac{1}{x^{2}}=23$ , then the value of ${x}^{4}+\frac{1}{x^{4 }}$ is:

429

629

527

526

Question 3:

The product of two numbers is 30 . If one of them is $1.25$, then what is the other number?

18

24

20

21

Question 4:

If $a: b=2: 3$ and $a: c=10: 21$, then what is $b: c$

$5: 7$

$15: 14$

$14: 15$

$7: 5$

Question 5:

Find the value of $(5 \times 8)+12 \div 4 \times 2+8-2$

48

42

62

52

Question 6:

In a boys school, two toilets are required for every 15 students. If the total number of students is 255 , then how many toilets will be required?

17

30

18

34

Question 7:

If $x$ is positive and $\frac{x}{\sqrt{243}}=\frac{\sqrt{2187}}{x}$, then what is the value of $x$?

29

27

23

21

Question 8:

If the number $x$3181 is divisible by$3$, then what will be the value of $\mathrm{x}$?

3

4

2

6

Question 9:

The LCM of 60 and 54 is.

$6 \times 5 \times 9$

$6 \times 10 \times 3$

$6 \times 10 \times 9$

$60 \times 54$

Question 10:

$93 \div\left[-4^{2}+(-5)\right.$ of $\left.\{27 \div(-18 \div-2)\}\right]=?$

$93$

$-3$

$-5$

$-93$