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All Grades / Mental Maths (215 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
How many prime numbers are there between 1 and 20?
Mental Maths
Number System
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the unit digit (ones place) of the product 432 × 789 × 114?
Mental Maths
Number System
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the value of 2⁵ × 5⁵?
Mental Maths
Number System
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following numbers is completely divisible by 9?
Mental Maths
Number System
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the value of 99 × 45?
Mental Maths
Number System
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by RAJANYA MONDAL
· Class 7
What is 32^2?
Mental Maths
Square and Square Roots
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by RAJANYA MONDAL
· Class 7
What is 111³?
Mental Maths
Cube and Cube Roots
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
7 + 8 = (6 + 1) + 8 = 6 + (1 + 8) = 15. Changing the grouping of the numbers shows which property of addition?
Mental Maths
Addition and Subtraction
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by KRITARTH AGARWAL
· Class 4
A student has 100 chocolates. He gives ¼ of them to his friends and ½ of them to his neighbours. What fraction of the chocolates did he give away?
Mental Maths
Fractions
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by ADWAITH KUMAR JHA
· Class 3
If 20/100 = 1/5 and 25/100 = 1/4, then 50/100 = ?
Mental Maths
Fractions
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
How many lines of symmetry does a circle have?
Mental Maths
Other
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Write in figures: nine lakh thirty-eight thousand eight hundred thirty-four.
Mental Maths
Number and Number Names
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Mina bought 550 grams of rice. Ryan bought twice as much. How much rice did Ryan buy?
Mental Maths
Measurement
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 3 × 99?
Mental Maths
Multiplication and Division
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 9,90,662 - 800?
Mental Maths
Addition and Subtraction
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Which of these is the correct number name for 1,00,000?
Mental Maths
Number and Number Names
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Does 40 + 20 = 20 + 40 show the commutative property of addition?
Mental Maths
Addition and Subtraction
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 9,09,089 - 1,089?
Mental Maths
Addition and Subtraction
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
If the diameter of a circle is 40 cm, what is its radius?
Mental Maths
Other
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is the expanded form of 6,98,967
Mental Maths
Number and Number Names
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