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# Math-tanong CEER 2012 - Set 2

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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. 7/29/2012Math-Math-tanong PRACTICE SET 2 2
3. 3. 7/29/2012How to use this practice setThis set contains ten (10) multiple choice questions. Tomake 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 1A fruit salad contains a mixture of apples, peaches, andpineapples in the ratio 5:3:2, respectively, by weight.What fraction of the entire mixture by weight are applesand 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 2If a, b and c are nonzero real numbers anda + 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 3Ruby can roast 9 kamote in 90 minutes, whileSarah can roast 12 kamote in one hour. If Rubyand Sarah work together, how many minutes willit 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 4The first four pentagonal numbers are shown.The numbers are calculated by counting the dots.Based on the indicated pattern, what is the sixthpentagonal number?(a) 35(b) 51(c) 70(d) 92 math-tanong CEER Supplement set 2 7
8. 8. 7/29/2012 Question 6 4In the rectangle shown, m∠EAD is of m∠AED 5What 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 7In the diagram, the length of a side of square ABCDis 4 units. A circle with center O is inscribed in thesquare. 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. 7/29/2012END OF PRACTICE SET 11