Discussion
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- Question
If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :
Options- A. -5
- B. -15.8
- C. -12
- D. -15.6
- Correct Answer
- -15.8
- 1. Solve the following : -1/4 { -45 - (-96) / (-32)} = ?
Options- A. 12
- B. 10.5
- C. -12
- D. -10.5 Discuss
- 2. The value of -261+(-380)-(-521)+821-(-121)
Options- A. 833
- B. 825
- C. 822
- D. 800 Discuss
- 3. What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? 499.99 + 1999 ÷ 39.99 × 50.01=?
Options- A. 3200
- B. 2700
- C. 3000
- D. 2500 Discuss
- 4. What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?(55.01+16.0003)×22.01÷10.998 =?
Options- A. 190
- B. 130
- C. 110
- D. 142 Discuss
- 5. What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? ?580×?510+ 49.999 x 3.999=?
Options- A. 384
- B. 392
- C. 410
- D. 372 Discuss
- 6. Solve the following : 80÷[48?56?(60?36÷12×4)]=?
Options- A. 5
- B. 8
- C. 4
- D. 2 Discuss
- 7. Solve the following : 3/4+{3/4 + 3/4 ÷ (3/4 + 3/4)} = ?
Options- A. 0
- B. 3/4
- C. 1
- D. 2 Discuss
- 8. Solve the following: (?18)[36÷7?(?2)]÷{}(?4)19?(?3)×(?5)={}?
Options- A. -4.5
- B. 4.5
- C. -2.5
- D. 2.5 Discuss
- 9. If the value of ?42 is approximately 6.480, then what is the approximate value of ?(6/7)?
Options- A. 0.925
- B. 0.935
- C. 0.945
- D. 0.955 Discuss
- 10. If Sin x = 4/5, then Cosec x + Cot x =
Options- A. 31/12
- B. 35/12
- C. 2
- D. 1/2 Discuss
Simplification problems
Search Results
Correct Answer: 12
Correct Answer: 822
Correct Answer: 3000
Explanation:
500+2000÷40×50=?
?= 500+(2000÷40)×50
?= 500+50×50
?=500+2500
?=3000
Correct Answer: 142
Correct Answer: 392
Explanation:
Take nearest values
?580×?510+ 49.999 x 3.999=?
24x 8 + 200 = 392
Correct Answer: 2
Correct Answer: 2
Correct Answer: 4.5
Correct Answer: 0.925
Correct Answer: 2
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