1. The average of 15 consecutive odd numbers is 47. What is the largest number in the series?
2. What is the degree of the polynomial 3x2+2x−53x^2 + 2x - 53x2+2x−5?
3. The average of three numbers is 27. If one of the numbers is 30 and the other is 25, what is the third number?
4. Solve for xxx: log2(x+3)=4\log_2 (x + 3) = 4log2(x+3)=4.
5. Which of the following is a quadratic expression?
6. What is the value of log525\log_5 25log525?
7. Which number is the odd one out?
8. A train 250 meters long is running at a speed of 90 km/h. How much time will it take to cross a man walking at 6 km/h in the same direction as the train?
9. What is the square root of 900900900?
10. The radius of a sphere is 7 cm. What is the surface area of the sphere?
11. Find the smallest five-digit number that is divisible by 12, 15, and 18.
12. The ratio of the ages of two persons is 5:7. If the sum of their ages is 48 years, what is the age of the older person?
13. What is the smallest 5-digit number divisible by 3?
14. The average of 8 consecutive even numbers is 24. What is the smallest of these numbers?
15. How many degrees will the minute hand move in 30 minutes?
16. The normal stress acting on a material is:
17. In the superheated region of a pure substance, the temperature is:
18. The enthalpy of vaporization is:
19. The efficiency of a Carnot engine depends on:
20. In a bolted joint, the primary purpose of the nut is to:
21. The angle between the principal planes can be determined from Mohr's Circle as:
22. In a vapor-compression refrigeration cycle, the refrigerant enters the compressor as:
23. The second law of thermodynamics states that:
24. In an isochoric process, which thermodynamic quantity remains constant?
25. In which thermodynamic process is the heat supplied entirely used for doing work?
26. The Rankine cycle is used in:
27. The unit of Young's modulus is:
28. The term "factor of safety" is defined as:
29. A material is said to be ductile if:
30. The entropy of the universe:
