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- Question
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
- Correct Answer
- 3000
Explanation500+2000÷40×50=?
?= 500+(2000÷40)×50
?= 500+50×50
?=500+2500
?=3000
- 1. 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
- 2. 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
- 3. In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers I. 2x ² ?21x + 54 = 0 II. y ² ?14y + 49 = 0
Options- A. x = y or relation can?t be established between x and y
- B. x > y
- C. x < y
- D. x ? y Discuss
- 4. In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer. I. 5x2+ 28x = -15II. 3y2+ 11y + 6 = 0
Options- A. X > Y
- B. X ? Y
- C. X < Y
- D. X ? Y Discuss
- 5. Rs.7750 is divided among X, Y and Z such that 3 times of X's share is equal to 5 times of Y's share which is equal to 2 times of Z's share. What is the share (in Rs) of Z?
Options- A. 4250
- B. 3750
- C. 3875
- D. 4475 Discuss
- 6. The value of -261+(-380)-(-521)+821-(-121)
Options- A. 833
- B. 825
- C. 822
- D. 800 Discuss
- 7. Solve the following : -1/4 { -45 - (-96) / (-32)} = ?
Options- A. 12
- B. 10.5
- C. -12
- D. -10.5 Discuss
- 8. 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 Discuss
- 9. Solve the following : 80÷[48?56?(60?36÷12×4)]=?
Options- A. 5
- B. 8
- C. 4
- D. 2 Discuss
- 10. Solve the following : 3/4+{3/4 + 3/4 ÷ (3/4 + 3/4)} = ?
Options- A. 0
- B. 3/4
- C. 1
- D. 2 Discuss
Simplification problems
Search Results
Correct Answer: 142
Correct Answer: 392
Explanation:
Take nearest values
?580×?510+ 49.999 x 3.999=?
24x 8 + 200 = 392
Correct Answer: x < y
Explanation:
I. 2x ² ?21x + 54 = 0(x -6)(2x -9)x =+6, +9/2
II. y ² ?14y + 49 = 0(y-7) (y-7)y = +7, +7y > x
Correct Answer:
Explanation:
5x^2+ 28x = -15x = (-3/5, -5)
II. 3y^2+ 11y + 6 = 0y = (-3, -2/3)
So Relationship cannot be established
Correct Answer: 3750
Correct Answer: 822
Correct Answer: 12
Correct Answer: -15.8
Correct Answer: 2
Correct Answer: 2
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