Discussion
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- Question
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
- Correct Answer
- 13
- 1. When 721 + 722 + 723 + 724 is divided by 25 the remainder is:
Options- A. 5
- B. 17
- C. 7
- D. 0 Discuss
- 2. 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
- 3. 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
- 4. 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 Discuss
- 5. 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
- 6. 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
- 7. If 5 sec ? ? 3 tan ? = 5, then what is the value of 5 tan ? ? 3 sec ??
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 8. If 4(x+y) = 256 and (256)(x-y) = 4 , then what is the value of x and y?
Options- A. 17/8, 15/8
- B. 17/4, 15/4
- C. 9/17, 15/17
- D. 8/17, 8/15 Discuss
- 9. If m n = 2 , mn = 15 , (m , n > 0) then the value of m2-n2m3-n3
Options- A. 1856
- B. 1658
- C. 1586
- D. 1568 Discuss
- 10. If (x + y + z) = 12, xy + yz + zx = 44 and xyz = 48, then what is the value of x3 + y3+ z3 ?
Options- A. 104
- B. 144
- C. 196
- D. 288 Discuss
Simplification problems
Search Results
Correct Answer: 0
Explanation:
Given, + + +
(1 + 7 + 49 + 343)
(400)
Now, 400 is divisible by 25. The remainder will be 0
Correct Answer: 24
Correct Answer: 20
Correct Answer: 1
Correct Answer: 15
Correct Answer: 10?3
Correct Answer: 3
Correct Answer: 17/8, 15/8
Correct Answer: 1568
Correct Answer: 288
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