CBSE Questions for Class 10 Maths Real Numbers Quiz 7 - MCQExams.com

Choose the correct alternative answer for the question given below.
Decimal expansion of which of the following is non-terminating recurring?
  • $$\dfrac{2}{5}$$
  • $$\dfrac{3}{16}$$
  • $$\dfrac{3}{11}$$
  • $$\dfrac{137}{25}$$
If a rational number $$ x = \dfrac{p}{q} $$ such as a prime factor of $$q$$ is not the form of $$2^{n}  5^{m}$$ where $$ n , m $$ is a zero integer, then decimal expansion of $$x$$ is 
  • terminating decimal expansion
  • non-terminating repeating decimal
  • choice (A) and (B) both correct
  • none of these
In the decimal expansion of rational number $$ \dfrac{43}{{2}^{2} \times {5}^{3}} $$, after how many digits decimal will end ?
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Decimal expansion of number $$ \dfrac{441}{2^{2} \times 5^{7} \times 7^{2}} $$ will be:
  • Terminating
  • Non-terminating repeating
  • Terminating and non-terminating both
  • Non-rational
HCF of three numbers $$17 , 23 $$ and $$29$$
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Which of the following is irrational?
  • $$0.54$$
  • $$6.\overline{54}$$
  • $$0.\overline{1416}$$
  • $$0.4014001400014...$$
If $$p$$ is a positive prime number then $$\sqrt{p} $$
  • irrational number
  • rational number
  • integer number
  • none of these
What is the greatest number which divides $$392,486$$ and $$627$$ so as to leave the same remainder in each case?
  • $$47$$
  • $$43$$
  • $$37$$
  • $$34$$
If P = 2$$^3 \times 3^{10} \times 5 and Q = 2^5 \times 3 \times 7,$$ then HCF of P and Q is 
  • 2 .3 .5. 7
  • 3 .2$$^3$$
  • 2$$^2 . 3^7$$
  • 2$$^5 . 3^{10} . 5 . 7$$
The H.C.F of $$2$$ and $$3$$ by Euclid’s division algorithm
  • $$2$$
  • $$3$$
  • $$5$$
  • $$1$$
0:0:1


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