Discussion
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- Question
Point P (-2, 5) is the midpoint of segment AB. Co-ordinates of A are (-5, y) and B are (x, 3). What is the value of x?
Options- A. 1
- B. -1
- C. 2
- D. -2
- Correct Answer
- 1
- 1. Common factor of 24b6c8d2, 18a6c2d4, 12a4b4 is
Options- A. 72a2b2c2d2
- B. 72a6b6c8d4
- C. 6a2b2
- D. 6 Discuss
- 2. If a3+ b3 = 341 and ab = 30, then what is the value of a + b?
Options- A. 1
- B. 9
- C. 7
- D. 11 Discuss
- 3. If x(2x + 3) = 90 and 7y-1/2+ 2y-1/2= y1/2 (x and y are positive numbers), then what is the value of x2+ y2 ?
Options- A. 45
- B. 109
- C. 117
- D. 126 Discuss
- 4. If a= x13y13+x-13y-13 then a3-3ay-x is equal to
Options- A. y^2x
- B. x^2y
- C. a^2x
- D. a^2y Discuss
- 5. The difference between two numbers is 1146. When we divide the larger number by smaller we get 4 as quotient and 6 as remainder. Find the larger number
Options- A. 1526
- B. 1431
- C. 1485
- D. 1234 Discuss
- 6. Calculate the value of 61681x61681-31681x3168130000
Options- A. 93352
- B. 94362
- C. 93362
- D. 95362 Discuss
- 7. If x = 11, the value of x5 - 12x4 + 12x3 - 12x2 + 12x - 1 is
Options- A. 11
- B. 10
- C. 12
- D. -10 Discuss
- 8. If a ? (1/a) = b, b ? (1/b) = c and c ? (1/c) = a, then what is the value of (1/ab) + (1/bc) + (1/ca)?
Options- A. ? 3
- B. ? 6
- C. ? 1
- D. ? 9 Discuss
- 9. What is value of P+QP-Q if PQ=7 ?
Options- A. 1/3
- B. 2/3
- C. 4/3
- D. 5/3 Discuss
- 10. 72 ÷ 52 × 3272 ÷ 52 of 32 ÷ 5.25
Options- A. 3/5
- B. 3/6
- C. 3/7
- D. 3/8 Discuss
Simplification problems
Search Results
Correct Answer: 72a6b6c8d4
Correct Answer: 11
Correct Answer: 117
Correct Answer: y^2x
Correct Answer: 1526
Correct Answer: 93362
Correct Answer: 10
Correct Answer: ? 3
Correct Answer: 4/3
Explanation:
Correct Answer: 3/7
Explanation:
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