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All Grades / Mental Maths (269 questions)
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by AADYA PATHAK
· Senior KG
Ravi has 3 apples. He gets 2 more. How many apples does he have now?
Mental Maths
Quick Adds
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people 1 answers
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by RAJARSHABH SANTRA
· Class 4
Write the smallest 6-digit number using the digits 1, 0 and 5.
Mental Maths
Other
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people 3 answers
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by RAJARSHABH SANTRA
· Class 4
What is the LCM of 12, 18 and 24?
Mental Maths
Other
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people 4 answers
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by INAAYAH MAHEK
· Senior KG
Find the missing number: 2, 3, __, 5, 6
Mental Maths
Find the Missing Number
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people 2 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
If two numbers are 14 and 28, what is their HCF?
Mental Maths
Integers
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by AKSHAY GURU VARADHARAJAN
· Class 5
How many numbers ≤ 1000 have exactly 3 factors?
Mental Maths
Knowing Our Numbers
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
How many numbers ≤ 500 have exactly 3 factors?
Mental Maths
Integers
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
Smallest number leaving remainder 2 when divided by 3, 4, 5, and 6
Mental Maths
Knowing Our Numbers
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people 0 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
If a number is divisible by both 8 and 12, it must be divisible by:
Mental Maths
Knowing Our Numbers
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people 3 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
How many numbers ≤ 200 are divisible by exactly one of 2 or 3?
Mental Maths
Integers
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
If the HCF of two numbers is 7, which of the following must be true?
Mental Maths
Knowing Our Numbers
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by AKSHAY GURU VARADHARAJAN
· Class 5
Find the smallest number which leaves a remainder of 1 when divided by 2, 3, 4 and 5.
Mental Maths
Integers
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by KRITARTH AGARWAL
· Class 4
Maya's water bottle holds 750 ml. She drinks one full bottle at school and another 500 ml when she gets home.How many litres of water did she drink altogether?
Mental Maths
Measurement
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people 3 answers
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by KRITARTH AGARWAL
· Class 4
What is 3!+4! ?
Mental Maths
Other
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people 3 answers
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by ADWIT KUMAR
· Class 3
What is 0 ÷ 0 ?
Mental Maths
Multiplication and Division
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people 15 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
A leaky faucet wastes 20% of a 50-litre bucket every hour. How many litres of water are wasted in one hour?
Mental Maths
Comparing Quantities
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
A school's water pump used to cost ₹2,000 to run. After switching to solar power, the cost decreased by 1/4 (one-fourth). What is the new cost to run the pump?
Mental Maths
Comparing Quantities
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people 1 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
If 4 water purification tablets can clean 20 litres of water, how many tablets are needed for 45 litres?
Mental Maths
Comparing Quantities
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people 0 answers
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by AKSHAY GURU VARADHARAJAN
· Class 5
In a small village of 400 people, 85% have access to clean sanitation. How many people still need better sanitation facilities?
Mental Maths
Comparing Quantities
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people 2 answers
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by KRITARTH AGARWAL
· Class 4
What is 6³+12²+√144?
Mental Maths
Other
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people 4 answers
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