Number Operations and Properties

Question 1

Multiple choice physics units and measurement: error analysis significant figures significant figures and rounding of digits units and measurements

Count total number of S.F. in $6.020\, \times\, 10^{23}$

4
3
6
7

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Answer

none of these

Question 2

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

Find : $50342135 -46380651 = .............$

$3961484$
$3942384$
$3969484$
$3989284$

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Question 3

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

Find the value of $7895432-1689654$.

$6105778$
$6205778$
$6205788$
$6205888$

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Question 4

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

What is $1 + 2-3 + 4-5 + 6-7 + 8$ ?

$2$
$3$
$4$
$6$

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Question 5

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

Difference of $500$ and $200$ is

$100$
$300$
$0$
$1000$

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Question 6

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

A student was asked to multiply a certain number by 3 and to add 2 to it, but he divided the number by 3 and subtracted 2 from it and got the number 1. The correct answer is

9
25
29

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Question 7

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

$(308+264)cm^{2}=572cm^{2}$

True
False

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Question 8

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

Subtract the second term form first term.
$5p , 11p$

$-6p$
$1p$
$5p$
$12p$

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Question 9

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

The two numbers formed by subtracting one from $5$ and $10$ are:

11 and 12
4 and 10
4 and 9
5 and 6

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Question 10

Multiple choice maths operations adding and subtracting numbers using place value addition & subtraction mental additions and subtractions

The two numbers which results 5 on subtracting are

11 and 12
4 and 10
4 and 9
5 and 6

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Question 11

Multiple choice maths average arithmetic mean of ap introduction to averages means

Find the AM between $20$ and $26$.

$23$
$22$
$21$
$24$

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Question 12

Multiple choice maths average arithmetic mean of ap introduction to averages means

What is the arithmetic mean of the progression $11, 22, 33, 44, 55, 66, 77?$

$44$
$208$
$308$
$48$

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Question 13

Multiple choice maths average arithmetic mean of ap introduction to averages means

Find AM of first $250$ natural numbers.

$115$
$225$
$125$
$125.5$

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Question 14

Multiple choice maths average arithmetic mean of ap introduction to averages means

Find AM of multiple of $3$ from natural numbers $1$ to $100$.

$48$
$51$
$36$
$57$

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Question 15

Multiple choice maths average arithmetic mean of ap introduction to averages means

Find AM of $ 3$ digit even numbers between $1$ to $500$.

$200$
$400$
$300$
$150$

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Number Operations and Properties

Number Operations and Properties Questions