Exam1s09part1_w_solutions

Exam1s09part1_w_solutions - EAS 230 Exam 1 PART 1 Problems...

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Unformatted text preview: EAS 230 Exam 1 PART 1 Problems 1-10 March 3, 2009 7:00 PM Your Name:___________________________________ Your UBIT Name:_______________________________ Your Section Circle One: (A1, A2, A3, A4, B2, B3, B4) Section 1:Monday 10 am (Section A1) Section 3:Thursday 12:30 pm (Section A3) Section 5:Thursday 11 am (Section B1) Section 7:Friday 11 am (Section B3) Section 2:Thursday 10 am (Section A2) Section 4:Wednesday 6 pm (Section A4) Section 6:Friday 2 pm (Section B2) Section 8:Tuesday 1 pm (Section B4) Circle the correct output of the following program in the box to the right of the program statements using namespace std; #include<iostream> #include<iomanip> #include<cmath> int main() { // //cout<<"Problem 1"<<endl; int i1=17.9, j1=4; cout << i1/j1 << endl; // //cout<<endl<<"Problem 2"<<endl; int j2=‐1; do { j2+=2; cout << "hello" << endl; }while (j2 < 2); cout << j2+1 << endl; // //cout<<endl<<"Problem 3"<<endl; double s3 = 5, u3 = 0.2, d3 = 0.4; s3 *= (1 + u3); s3 ‐= (s3*d3); cout << s3 << endl; a. 5 a. hello hello 4 a. 2.4 b. 4 b. hello 3 b. 5.0 c. 4.475 c. hello hello hello 5 c. 3.6 d. 4.5 d hello 4 d. 0.48 // //cout<<endl<<"Problem 4"<<endl; double r4=2.2; while (r4>=0) { r4‐=2; cout << r4 << endl; } // //cout<<endl<<"Problem 5"<<endl; double e5 = 7.38285; cout<<fixed<<setprecision(4); cout << e5 << endl; // //cout<<endl<<"Problem 6"<<endl; int f6; for (f6=1; f6<3; f6++) cout<<"1.5f6= "<<1.5*f6<<endl; // //cout<<endl<<"Problem 7"<<endl; double r7=100, s7=2, t7=3; int h7; h7=1+r7/(s7*t7); cout<<h7<<endl; // //cout<<endl<<"Problem 8"<<endl; int m8=17, n8=9; cout<<m8%n8<<endl; // //cout<<endl<<"Problem 9"<<endl; int m9=12, n9=17; cout<<setprecision(3)<<m9*2.3/(n9+3.6) cout<<<<endl; // //cout<<endl<<"Problem 10"<<endl; double a10=6.1, b10=2.1, c10=5.1; cout<<setprecision(3)<<a10/b10+c10<<endl; // system("pause"); return 0; } a. 0.2 a. 7.383 a. 1.5f6=1.5f6 a. 17 a. 1.88888 a. 1.000 a. 0.847 b. b. 7.3829 b. 1.5f6=1.50000 1.5f6=3.00000 b. 17.6667 b. 1 b. 1.340 b. 8.005 c. c. 7.3828 c. 1.5f6= 1.50000 c. 16 c. 2 c. 1.339 c. 8.004 d. 0.2 ‐1.8 d. 7.38285 d. 1.50000 d. 16.6667 d. 8 d. 0.000 d. 0.848 ...
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