👉🏼30% of a number is 24. Calculate the original number.
👆🏼Dasha, Masha and Sasha each take a penalty. The probability that Dasha scores is . The probability that Masha scores is . The probability that Sasha scores is . What is the probability that all three miss?
👇🏼A circle has an area of 120cm2 to the nearest 10cm2. Calculate the upper bound of the radius.
🖐🏼In the following Venn diagram, find the probability of A given B’: