Discussion
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- Question
What is the value of Cot 60 - Sec 30?
Options- A. -1/3
- B. -1/?3
- C. 1/?3
- D. 1/3
- Correct Answer
- -1/?3
- 1. What is the slope of the line 2x - 5y = 12?
Options- A. 2/5
- B. 5/2
- C. -2/5
- D. -5/2 Discuss
- 2. The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?
Options- A. 5/2
- B. 2/5
- C. 5/4
- D. 4/5 Discuss
- 3. If a + b = 5 and ab = 6, then what is the value of a3 + b3 ?
Options- A. 32
- B. 38
- C. 35
- D. 34 Discuss
- 4. If 17/3 + [3(2x - 5/3)]/2 = 1/6, then what is the value of x?
Options- A. 1
- B. 3
- C. -3
- D. -1 Discuss
- 5. If Cos ? = 15/17 , then what is the value of Cosec ??
Options- A. 17/8
- B. 8/17
- C. 8/15
- D. 17/15 Discuss
- 6. If Cot ? = 24/7, then what is the value of Sec ??
Options- A. 7/25
- B. 25/24
- C. 8/25
- D. 9/25 Discuss
- 7. The value of aa-b+bb-a is
Options- A. a+b/a-b
- B. -1
- C. 2ab
- D. 1 Discuss
- 8. The value of (1 - ?2) + (?2 - ?3) + (?3 - ?4) + ..... + (?15 - ?16) is
Options- A. 0
- B. 1
- C. -3
- D. 4 Discuss
- 9. ?ABC and ?DEF are two similar triangles and the perimeter of ?ABC and ?DEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is
Options- A. 60 cm
- B. 40 cm
- C. 45 cm
- D. 50 cm Discuss
- 10. The value of (sec245 - cot245) - (sin230 + sin260) is
Options- A. 1
- B. 2?3
- C. 0
- D. 1/?2 Discuss
Simplification problems
Search Results
Correct Answer: 2/5
Correct Answer: 5/2
Correct Answer: 35
Correct Answer: -1
Correct Answer: 17/8
Correct Answer: 25/24
Correct Answer: 1
Correct Answer: -3
Correct Answer: 60 cm
Correct Answer: 0
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