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All Grades / Mental Maths (269 questions)
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by AKSHAY GURU VARADHARAJAN
· Class 5
684 employees work in an office building, and the same number of employees work on each floor. Which of the following cannot be the number of floors of the building?
Mental Maths
Playing with Numbers
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people 3 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
A milk can with a capacity of 20 litres has 16 litres 85 millilitres of milk in it. How much more milk can be poured into it so that it is completely filled?
Mental Maths
Mensuration
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
How many numbers between 11 and 99 are exactly divisible by 4?
Mental Maths
Playing with Numbers
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people 2 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
Today is Sunday. What day of the week is 5 days before the day after tomorrow?
Mental Maths
Other
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people 1 answers
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by NITARA SEBASTIAN
· Class 5
If today is monday then what would be the day after 50 days?
Mental Maths
Playing with Numbers
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people 2 answers
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by ADWIT KUMAR
· Class 3
I am a 3-digit number. My ten's place is 5. The digit at my one's place is greater than the digit at ten's place, and the digit at hundred's place is less than the digit at ten's place.
Which of these is NOT a possible answer ?
Mental Maths
Number and Number Names
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people 9 answers
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by GOURAB GHOSH
· Class 2
I am a 2-digit number. The digit in the tens place is 4 less than the digit in the ones place. The ones digit is 9. What number am I?
Mental Maths
Number and Number Names
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people 2 answers
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by GOURAB GHOSH
· Class 2
You buy a toy car for ₹27 and give the shopkeeper ₹50. How much money will you get back?
Mental Maths
Addition and Subtraction
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people 2 answers
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by GOURAB GHOSH
· Class 2
Which of the following is an odd number?
Mental Maths
Other
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people 2 answers
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by GOURAB GHOSH
· Class 2
Ravi thought of a number. He doubled it and got 18. What was the original number?
Mental Maths
Other
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people 2 answers
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by GOURAB GHOSH
· Class 2
If today is Monday, what day will it be after 3 days?
Mental Maths
Other
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people 3 answers
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by GOURAB GHOSH
· Class 2
How many 25 paise coins make ₹1 (one rupee)?
Mental Maths
Other
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people 2 answers
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by NISHKARSH SHUKLA
· Class 7
What is 23²×23⁵?
Mental Maths
Square and Square Roots
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people 14 answers
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by ADWIT KUMAR
· Class 3
6+6+6+6+6+6+6+6=16 x _______
Mental Maths
Multiplication and Division
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people 10 answers
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by GIANSH GUPTA KHUNDKER
· Class 8
A tourist spends daily an amount of money equal to the number of days of the tour. If the total money spent is 1849, how many days did the tour last?
Mental Maths
Algebra
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people 2 answers
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by GIANSH GUPTA KHUNDKER
· Class 8
If the sides of an equilateral triangle are increased by 20%, 30%, and 50% respectively, what is the increase in the perimeter?
Mental Maths
Other
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people 2 answers
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by GIANSH GUPTA KHUNDKER
· Class 8
Find the missing number: 2, 3, 4, 9, 8, 27, 16, (?)
Mental Maths
Other
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people 2 answers
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by NITARA SEBASTIAN
· Class 5
Multiply
111×122
Mental Maths
Knowing Our Numbers
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people 7 answers
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by ISHIKA GARG
· Class 1
Unscramble and find the number name of 1000
Mental Maths
Number and Number Names
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people 15 answers
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by ADWIT KUMAR
· Class 3
100000 cm = ?
Mental Maths
Measurement
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people 13 answers
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