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- Question
Find the value of n+3n2+9n4+......?
Options- A. 0
- B. 1
- C. 2
- D. infinity
- Correct Answer
- infinity
- 1. The sum of two numbers is 7 and the sum their squares is 23, their product is equal to:
Options- A. 10
- B. 11
- C. 12
- D. 13 Discuss
- 2. 23x12+49x15312+50 = ?
Options- A. 0.5
- B. 1
- C. 2
- D. 3 Discuss
- 3. The first and last terms of an arithmetic progression are 25 and 52. What is the sum of the series if it has 12 terms?
Options- A. -162
- B. -110
- C. 162
- D. 110 Discuss
- 4. In a Rhombus ABCD, measure of angle CAB is 35°, what is the measure of angle ABC?
Options- A. 70°
- B. 40°
- C. 50°
- D. 110° Discuss
- 5. For triangle ABC, find equation of median AD if coordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?
Options- A. 3x - 2y = 14
- B. 3x - 2y = 2
- C. 3x + 2y = 14
- D. 3x + 2y = 2 Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Simplification problems
Search Results
Correct Answer: 13
Correct Answer: 1
Explanation:
Correct Answer: -162
Correct Answer: 110°
Correct Answer: 3x - 2y = 14
Correct Answer: 3750
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: 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: 392
Explanation:
Take nearest values
?580×?510+ 49.999 x 3.999=?
24x 8 + 200 = 392
Correct Answer: 142
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