1) Which of the following is true? a) (а) (- 6) + (- 4) > (- 6) – (- 4) b) (b) (- 6) + (- 4) < (- 6) – (- 4) c) (c) (-6) + (- 4) = (- 6) – (- 4) 2) (-1) × (-1) × (-1) × ……… 7 times is equal to a) 1 b) - 7 c) - 1 3) a × (b + c) = a × b + a × c is called a) commutative property b) associative property c) distributive property 4) The side of a square is 1/2 cm. The perimeter of the square is a) 4/2 b) 2 c) 4 5) 150 g is equal to __________ a) 0.00150 kg b) 0.150 kg c) 150000 kg 6) 1.21 ÷ 1.1 is equal to  a) 11 b) 0.11 c) 1.1 7) The mean of the numbers 50 ,20, 10 and 40 is a) 20 b) 50 c) 30 8) The marks of 11 students of a class are : 98, 15, 109, 63, 94, 10, 78, 36, 30, 55, 12. The range of marks is a) 97 b) 99 c) 96 9) The median of the data 90, 20, 100, 10, 15, 25, 45 is a) 45 b) 20 c) 25 10) A die is thrown. What is the probability of getting even numbers ? a) 1/2 b) 2 c) 3

Grade 7 Math - Practice - 1

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