Recent questions tagged number-systems

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1

NIELIT 2019 Feb Scientist D - Section D: 5
How many pair of natural numbers are there, the differences of whose squares is $45$ ? $1$ $2$ $3$ $4$

How many pair of natural numbers are there, the differences of whose squares is $45$ ? $1$ $2$ $3$ $4$

asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 157 views

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2

NIELIT 2019 Feb Scientist D - Section C: 6
A certain number consists of two digits whose sum is $9$. It the order of digits is reversed, the new number is $9$ less than the original number. The original number is : $45$ $36$ $54$ $63$

A certain number consists of two digits whose sum is $9$. It the order of digits is reversed, the new number is $9$ less than the original number. The original number is : $45$ $36$ $54$ $63$

asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 94 views

1 vote

1 answer

3

NIELIT 2019 Feb Scientist D - Section C: 28
A two digit number is such that the product of the digits is $8$. When $18$ is added to the number, the digits are reversed. The number is : $18$ $24$ $81$ $42$

A two digit number is such that the product of the digits is $8$. When $18$ is added to the number, the digits are reversed. The number is : $18$ $24$ $81$ $42$

asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 154 views

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0 answers

4

NIELIT 2019 Feb Scientist C - Section D: 21
Find the number of numbers between $300$ to $400$ (both included) that are not divisible by $2,3,4$ and $5$ $50$ $33$ $26$ $17$

Find the number of numbers between $300$ to $400$ (both included) that are not divisible by $2,3,4$ and $5$ $50$ $33$ $26$ $17$

asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 67 views

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1 answer

5

NIELIT 2017 OCT Scientific Assistant A - Section A: 4
$x$ is a whole number. If the only common factors of $x$ and $x2$ are $1$ and $x,$ then $x$ is ________. $1$ a perfect square an odd number a prime number

$x$ is a whole number. If the only common factors of $x$ and $x2$ are $1$ and $x,$ then $x$ is ________. $1$ a perfect square an odd number a prime number

asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 229 views

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6

NIELIT 2017 DEC Scientific Assistant A - Section A: 43
The value of $[(10)^{150}\div (10)^{146}]$: $1000$ $10000$ $100000$ $10^{6}$

The value of $[(10)^{150}\div (10)^{146}]$: $1000$ $10000$ $100000$ $10^{6}$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 183 views

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