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- Question
If a - b = 1 and ab = 6, then what is the value of a3- b3 ?
Options- A. 21
- B. 23
- C. 19
- D. 25
- Correct Answer
- 19
- 1. If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?
Options- A. 16
- B. 4
- C. -6
- D. -4 Discuss
- 2. 9997 x 10003 = ?
Options- A. 9999991
- B. 99999911
- C. 99999991
- D. 9999911 Discuss
- 3. What is the value of (1/?3 + sin45 ) ?
Options- A. ?3+2
- B. (?2+?3)/?6
- C. (1+?6)/?3
- D. (4+?3)/2 Discuss
- 4. A ship is full of cargo containers. It drops 2/3 of cargo containers at the first port and takes 60 more, at the second port it drops two third of the new total and takes eleven more. On arriving at the third port it is found that it have 48 cargo containers. Find the number of cargo containers in the ship at the starting?
Options- A. 189
- B. 159
- C. 161
- D. 153 Discuss
- 5. ? XYZ is right angled at Y. If CosecX = 17/15, then what is the value of CotZ?
Options- A. 17/15
- B. 8/17
- C. 17/8
- D. 15/8 Discuss
- 6. What is the value of Cot 45° + Cosec 60°?
Options- A. (?6 + 1)/?3
- B. (1 + ?3)/2
- C. 5/?3
- D. (?3 + 2)/?3 Discuss
- 7. ? LMN is right angled at M. If m?N = 60 deg., then Tan L =______.
Options- A. 1/2
- B. 1/?3
- C. 1/?2
- D. 2 Discuss
- 8. If Tan ? = 4/3, then what is the value of Sin ??
Options- A. 1.25
- B. 0.8
- C. 4/3
- D. 3/4 Discuss
- 9. If a2+b2=80 and ab = 32, then calculate the value of a-b/a+b.
Options- A. 0.337
- B. 0.339
- C. 0.333
- D. 0.335 Discuss
- 10. What is the value of (-7776)25
Options- A. 16
- B. 36
- C. 64
- D. 21 Discuss
Simplification problems
Search Results
Correct Answer: 16
Correct Answer: 9999991
Correct Answer: (?2+?3)/?6
Correct Answer: 153
Correct Answer: 15/8
Correct Answer: (?3 + 2)/?3
Correct Answer: 1/?3
Correct Answer: 0.8
Correct Answer: 0.333
Correct Answer: 36
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