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All Grades / Mental Maths (215 questions)
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by SHAURYA SINGHAL
· Class 3
80 × 80 = ?
Mental Maths
Multiplication and Division
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people 11 answers
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by KOUSHANI CHAKRABORTY
· Class 3
10000 ÷ 10 + 900000 - 3 + 1 = ?
Mental Maths
Addition and Subtraction
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people 7 answers
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by AAHAN MEHTA
· Class 8
If the sum of the parallel sides of a trapezium is 49 cm and the height is 14 cm, what is its area?
Mental Maths
Mensuration
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people 0 answers
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by AAHAN MEHTA
· Class 8
What is the square root of ¼ × ¼ × ⅓ × ⅓?
Mental Maths
Square and Square Roots
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people 0 answers
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by AAHAN MEHTA
· Class 8
What is the square root of 15625?
Mental Maths
Square and Square Roots
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people 2 answers
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by ANSHIKASIVARAJ
· Class 9
What is 45 × 35?
Mental Maths
Algebra
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people 1 answers
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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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people 6 answers
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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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people 0 answers
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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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people 0 answers
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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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