Discussion
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- Question
23x12+49x15312+50 = ?
Options- A. 0.5
- B. 1
- C. 2
- D. 3
- Correct Answer
- 1
Explanation - 1. 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
- 2. 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
- 3. 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
- 4. What are the roots of the quadratic equation: x2 + 3x - 154 = 0
Options- A. 11, 14
- B. 11, -14
- C. 14, -11
- D. 14, -22 Discuss
- 5. If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?
Options- A. 2
- B. 4
- C. 8
- D. 3 Discuss
- 6. 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
- 7. Find the value of n+3n2+9n4+......?
Options- A. 0
- B. 1
- C. 2
- D. infinity Discuss
- 8. 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
- 9. 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
- 10. 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
Simplification problems
Search Results
Correct Answer: -162
Correct Answer: 110°
Correct Answer: 3x - 2y = 14
Correct Answer: 11, -14
Correct Answer: 4
Correct Answer: 13
Correct Answer: infinity
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
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