Math - NCERT Solutions - GeniusJnr
Math - NCERT Solutions : MCQ, free quiz, mock quiz, practise questions, olympiad preparation
Math - NCERT Solutions
Chapters
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Integers
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Fractions and Decimals
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Data Handling
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Simple Equations
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Lines and Angles
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The Triangle and its Properties
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Videos
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Closure Property of Integers
Commutative Property of Integers over Addition
Associative Property of Integers over Addition
Multiplication of Integers
Multiplication Rules
Multiplication of more than 2 Integers
Quiz
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Division of Integers: Class Test
total questions
10
time
30
test type
mcq
start
Multiplication of Integers - I
total questions
10
time
30
test type
mcq
start
Multiplication of Integers - II
total questions
10
time
30
test type
mcq
start
Division of Integers
total questions
10
time
30
test type
mcq
start
Addition and Subtraction of Integers
total questions
10
time
30
test type
mcq
start
Division of Decimals
total questions
10
time
30
test type
mcq
start
Questions
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Which of the following statements is correct?
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Use the following information to answer the next question.
|
The given number line shows the marks obtained by five students in a competitive exam. Some students even scored negative marks due to the system of negative marking in the test for each incorrect answer. |
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How many marks did Vaishali score over Khushbu?
solve
What is the value of
the expression
?
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Which of the following relations is correct?
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What is the value of the expression 260 + (−157) + (−112) + 18 + (−11)?
solve
If the expression
can
also be written as
,
then what is the value of a?
solve
Use the following information to answer the next question.
|
Plastics are known to contract and expand with a decrease and increase in temperature (respectively). With every 5°C decrease in temperature, the length of a plastic rod decreases by 8 mm, and with every 5°C increase in temperature, its length increases by 10 mm. A plastic rod was taken at room temperature. Its temperature was first lowered to 20°C below room temperature and its length was noted down. Its temperature was then increased to 15°C above room temperature and its length was again noted down. |
What was the difference between the lengths of the rod that were noted down in the readings?
solve
What is the value of the expression
?
solve
Which of the following relations is correct?
solve
For what values of a and b does the expression [14 + (−5)] + a = b + [(−5) + (−9)] show the associative property of integers under addition?
solve
The expression
can
be re-written as which of the following expressions?
solve
Which of the following statements is correct?
solve
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