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Showing: All Grades / Mental Maths (269 questions)
If the sides of a square is 4 cm each, find the length of the diagonal.
Estimate the square root of 150 to the nearest whole number.
What is the sum of the first 10 consecutive positive integers (1 to 10)?
If you divide a number by 4, the maximum possible remainder is:
What is the unit digit (ones place) of the product 432 × 789 × 114?
Which of the following numbers is completely divisible by 9?