For the following questions answer them individually
Seema bought 20 pens, 8 packets of wax colours, 6 calculators and 7 pencil boxes, The price of one pen is Rs. 7, one packet of wax colour is for Rs. 22, one calculator is for Rs.175 and one pencil box costs Rs. 14 more than the combined price of one pen and one packet of wax colours. How much amount did Seema pay to the shopkeeper?
The average marks in English of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and 61 in lieu of the actual marks 48, 59 and 67 respectively, then what would be the correct average?
In a test, a candidate secured 468 marks out of maximum marks ‘A”. Had the maximum marks ‘A’ converted to 700, he would have secured 336 marks. What was the maximum marks of the test?
Six - elevenths of a number is equal to twentytwo percent of the second number. The second number is equal to one-fourth of the third number. The value of the third number is 2400. What is 45% of the first number?
In an enterance examination, Ritu scored 56 percent marks, Smita scored 92 percent marks and Rina scored 634 marks. The maximum marks of the examination is 875. What is the average marks scored by all the three girls together?
Instructions: Study the given information carefully to answer the questions that follows.
An urn contains 4 green, 5 blue, 2 red and 3 yellow marbles.
If two marbles are drawn at random, what is the probability that both are red or at least one is red?
If three marbles are drawn at random, what is the probability that at least one is yellow?
If eight marbles are drawn at random, what is the probability that there are equal numbers of marbles of each colour?
If four marbles are drawn at random, what is the probability that two are blue and two are red?
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