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1. How many four digit mumbers can be formed by the une of digits 1,2346 and 7 if one digit is used only once in one number? a. 350 b. 360 C. 250 d. 260

1. How many four digit mumbers can be formed by the une of digits 1,2346 and 7 if one digit is used only once in one number? a. 350 b. 360 C. 250 d. 260

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. Flow many four digit numbers can be furmed by the une of digits 1,23,4,6 and 7 if one digit is used only once in une number? a. 350 b. 360 c. 250 d. 260 2 Find the value of y in the folkowing equations 3x -2y + = 11, x+5y - 2. = -9, 2ry-3=6a. 2 b. -1 c. I d. 2 3. In huw many minuts after seven o clock will the hands he dinetly opposite each other for the first time? a. 6.45 b. 7.23 c. 5455 d. 3.344 Ł What is the slope of the line 3x + 2y +1 -0 a. -1/2 b. -2 C.-32 d. 2 5. Where is the cemter of the curve x'+ y - 21- 4y - 31 = 0 a. (2,5) b. (3,1) c. (1,2) d. (1,3) 6. How far from the x axis is the focus Fof the hyperbada ri- Zyi + 41+ 4y +4=02. 3.23 b. 4.12 c. 215 d. 2.73 7. What is the angle of intersection of the tangents of a simple curve if their bearing are N 75°1ZE and 578°36E respectively. A. 25.3° b. 26.2° c. 27.7 d. 28.1
Transcribed Image Text:1. Flow many four digit numbers can be furmed by the une of digits 1,23,4,6 and 7 if one digit is used only once in une number? a. 350 b. 360 c. 250 d. 260 2 Find the value of y in the folkowing equations 3x -2y + = 11, x+5y - 2. = -9, 2ry-3=6a. 2 b. -1 c. I d. 2 3. In huw many minuts after seven o clock will the hands he dinetly opposite each other for the first time? a. 6.45 b. 7.23 c. 5455 d. 3.344 Ł What is the slope of the line 3x + 2y +1 -0 a. -1/2 b. -2 C.-32 d. 2 5. Where is the cemter of the curve x'+ y - 21- 4y - 31 = 0 a. (2,5) b. (3,1) c. (1,2) d. (1,3) 6. How far from the x axis is the focus Fof the hyperbada ri- Zyi + 41+ 4y +4=02. 3.23 b. 4.12 c. 215 d. 2.73 7. What is the angle of intersection of the tangents of a simple curve if their bearing are N 75°1ZE and 578°36E respectively. A. 25.3° b. 26.2° c. 27.7 d. 28.1
8 The common langent CD of a reversed rurve is 290,50m and has an arimuth of 312 29, BC Is a tangent of the first curve wtose azimuth is 252°45'. DE b a langent of the second curve whose azimuth is 218*13. The radius of the first curve is 180m. P.1. 1 Is at Sta. 16-523.37. Bis at P.C. and E is at P.T. What is the statiowning ot P.1. 2 a. Sta. 13-435 b. Sta. 16+312 I. Sta, 16+785 d. Sta. 13-550 9. The arcas in cul of two Irregular sections is 35em apart are 34 square meter and 56 square meter respectively. The base widih is 10m and the side slope is 1:1. Find the corected volume of cut in cu.m. using priamoidal corretion formula. a. 1564.84 b. 1326.23 L. 1745 89 d. 1444.95 10. Whal is the derivative with respect to x of 2 cos'(r' + 2) 1. fx sin(r - 2) cus r - 2) b. Aa sin(ri + 2) un r+ 2) c. Ha nin(r - 2) cun r'+ 2) d. -áx sin(xi + 2) cos x + 2)
Transcribed Image Text:8 The common langent CD of a reversed rurve is 290,50m and has an arimuth of 312 29, BC Is a tangent of the first curve wtose azimuth is 252°45'. DE b a langent of the second curve whose azimuth is 218*13. The radius of the first curve is 180m. P.1. 1 Is at Sta. 16-523.37. Bis at P.C. and E is at P.T. What is the statiowning ot P.1. 2 a. Sta. 13-435 b. Sta. 16+312 I. Sta, 16+785 d. Sta. 13-550 9. The arcas in cul of two Irregular sections is 35em apart are 34 square meter and 56 square meter respectively. The base widih is 10m and the side slope is 1:1. Find the corected volume of cut in cu.m. using priamoidal corretion formula. a. 1564.84 b. 1326.23 L. 1745 89 d. 1444.95 10. Whal is the derivative with respect to x of 2 cos'(r' + 2) 1. fx sin(r - 2) cus r - 2) b. Aa sin(ri + 2) un r+ 2) c. Ha nin(r - 2) cun r'+ 2) d. -áx sin(xi + 2) cos x + 2)
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