Discussion
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- Question
If a2b+c=b2C+a=a2a+b=1 then 11+a+11+b+11+c is
Options- A. 1
- B. 2
- C. 3
- D. 4
- Correct Answer
- 1
- 1. Find the greatest number that will divide 390, 495 and 300 without leaving a remainder
Options- A. 5
- B. 15
- C. 25
- D. 35 Discuss
- 2. If x +y = ?3 and x - y = ?2, then the value of 8xy (x2 + y2) is
Options- A. 6
- B. ?6
- C. 5
- D. ?5 Discuss
- 3. Compute : 1112 / 139 - 5
Options- A. 557/67
- B. -3
- C. 556/67
- D. 3 Discuss
- 4. If a+b+c = 0, then (a^3 + b^3 + c^3)^2 = ?
Options- A. 27abc
- B. 9abc
- C. 3abc
- D. 9a^2b^2c^2 Discuss
- 5. Solve the following : 27 - [38 - {46 - (15 - 13 - 2)}]
Options- A. 31
- B. 35
- C. 30
- D. 29 Discuss
- 6. Mr. Ankit is on tour to Siachin and he has Rs. 360 for his expenditure. If he exceeds his tour by 4 days, he must trim down his daily expenditure by Rs.3. Forhow many days is Mr. Ankit is on tour?
Options- A. 20
- B. 22
- C. 24
- D. 26 Discuss
- 7. If 9 * 6 = 45, 7 * 4 = 33, and 6 * 4 = 20, then what is the value of 5 * 3?
Options- A. 24
- B. 16
- C. 13
- D. 10 Discuss
- 8. When 721 + 722 + 723 + 724 is divided by 25 the remainder is:
Options- A. 5
- B. 17
- C. 7
- D. 0 Discuss
- 9. If a.sin 45°.cos 45°.tan60° = tan 245° cos60° then find the value of a ?
Options- A. 13
- B. 3
- C. 1
- D. 32 Discuss
- 10. The angle of elevation of the top of a tower from a point A on the ground is 30°. On moving a distance of 20 metres towards the foot of the tower to a point B, the angle of elevation increases to 60°. The height of the tower in meters is
Options- A. ?3
- B. 5?3
- C. 10?3
- D. 20?3 Discuss
Simplification problems
Search Results
Correct Answer: 15
Correct Answer: 5
Correct Answer: 3
Correct Answer: 9a^2b^2c^2
Correct Answer: 35
Correct Answer: 20
Correct Answer: 24
Correct Answer: 0
Explanation:
Given, + + +
(1 + 7 + 49 + 343)
(400)
Now, 400 is divisible by 25. The remainder will be 0
Correct Answer: 13
Correct Answer: 10?3
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