Description

This mock test of Number System for Class 10 helps you for every Class 10 entrance exam.
This contains 10 Multiple Choice Questions for Class 10 Number System (mcq) to study with solutions a complete question bank.
The solved questions answers in this Number System quiz give you a good mix of easy questions and tough questions. Class 10
students definitely take this Number System exercise for a better result in the exam. You can find other Number System extra questions,
long questions & short questions for Class 10 on EduRev as well by searching above.

QUESTION: 1

The exponent power of 2 in prime factorisation of 144

Solution:

QUESTION: 2

The LCM of two numbers is 1200 .Which of following van not be their HCF

Solution:

QUESTION: 3

If n=2^3×3^4×5^4×7 then the number of consecutive series in n where n is a natural number is

Solution:

QUESTION: 4

The sum of exponent of the prime factorisation in prime factorisation of 196 is

Solution:

QUESTION: 5

The numbers of decimal places after which the decimal expansion of the national number 23/2^2×5 will terminate is

Solution:

QUESTION: 6

If the LCM of a and 18 is 36 and the HCF of a and 18 is 2 then a =

Solution:

QUESTION: 7

The HCF of 95 and 152 is

Solution:

95 = 5 x 19 and

152 = 2^{3} x 19

H.C.F. = 19

QUESTION: 8

The HCF {(26,169) then LCM (26,169)=

Solution:

QUESTION: 9

Convert the binary number 1001.0010_{2} to decimal.

Solution:

QUESTION: 10

The small est number by which √27 should be multiplied so as to get a rational number is

Solution:

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