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# Math-tanong CEER 2012 - Set 2

Practice Set 2 for Mathematics for CEER participants

Practice Set 2 for Mathematics for CEER participants

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### Math-tanong CEER 2012 - Set 2

1. 1. 7/29/2012 1
2. 2. 7/29/2012 Math- Math-tanong PRACTICE SET 2 2
3. 3. 7/29/2012 How to use this practice set This set contains ten (10) multiple choice questions. To make full use of the practice set, do the following; 1. Be ready with your pen and paper. 2. Give yourself FIFTEEN (15) minutes to answer the entire practice set, with no breaks in between. 3. Do not use a calculator or any computing device. Also, do not skim your reviewers for answers (well, it will NOT work, anyway). 4. After the time is up, check your answers. The answers with solutions will be posted the next day. RELAX… AND GOOD LUCK! ☺ 3
4. 4. 7/29/2012 Question 1 A fruit salad contains a mixture of apples, peaches, and pineapples in the ratio 5:3:2, respectively, by weight. What fraction of the entire mixture by weight are apples and peaches combined? 2 7 ( a) ( c) 5 10 3 4 ( b) ( d) 10 5 math-tanong CEER Supplement set 2 4
5. 5. 7/29/2012 Question 2 If a, b and c are nonzero real numbers and a + b = c, which of the following is equal to 1? a−b b −a ( a) ( c) c c b −c c −b ( b) ( d) a a math-tanong CEER Supplement set 2 5
6. 6. 7/29/2012 Question 3 Ruby can roast 9 kamote in 90 minutes, while Sarah can roast 12 kamote in one hour. If Ruby and Sarah work together, how many minutes will it take them to roast two kamote? ? 1 2 ( a) 3 ( c) 6 3 3 ( b) 4 ( d) 8 math-tanong CEER Supplement set 2 6
7. 7. 7/29/2012 Question 4 The first four pentagonal numbers are shown. The numbers are calculated by counting the dots. Based on the indicated pattern, what is the sixth pentagonal number? (a) 35 (b) 51 (c) 70 (d) 92 math-tanong CEER Supplement set 2 7
8. 8. 7/29/2012 Question 6 4 In the rectangle shown, m∠EAD is of m∠AED 5 What is m∠ABC + m∠ADC ? (a) 220° (b) 230° (c) 240° (d) 250° math-tanong CEER Supplement set 2 8
9. 9. 7/29/2012 Question 7 In the diagram, the length of a side of square ABCD is 4 units. A circle with center O is inscribed in the square. What is the area of the shaded region? (a ) 4−π (b) 4 − 4π (c ) 16 − 4 π (c ) 16 π math-tanong CEER Supplement set 2 9
10. 10. 7/29/2012 9 12 2 + = 90 60 x 3 2 = 10 x (a)312120 x= (b) x151 = 6 2 = 20 (c) 1813 3 (d) 211 10
11. 11. 7/29/2012 END OF PRACTICE SET 11