Mental math quiz-8 21 June 202422 June 2024 tutorfor.co Welcome to your Mental math quiz-8 1) Multiply 0.4 by 0.5 2) Find the perimeter of a rectangle with a width 4 cm and length 7 cm. 3) Find the area of a rectangle with a width 8 cm and length 14 cm. No need to type units. 4) Divide 20 by 0.04 5) Find 30% of 12. 6) Subtract 12 from 9 7) Multiply 39 by 80 8) Find the size of an interior angle of regular hexagon. 9) The prize of a laptop is 300 pounds. In January 20% of discount given reduced the price and in July 30% of discount given and reduced the prize again. Find the final prize of the laptop.. 10) The prize of a painting is 20 pounds. In March the price increased by 20 % . In December the price increased again by 50 %. Find the final prize. Time's upTime is Up!
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