Discussion
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- Question
- [1/(1.2.3)] + [1/(2.3.4)] + [1/(3.4.5)] + [1/(4.5.6)] is equal to
Options- A. 7 / 30
- B. 11 / 30
- C. 13 / 30
- D. 17 / 30
- Correct Answer
- 7 / 30
ExplanationGiven Exp. = [(4 x 5 x 6) + (5 x 6) + (2 x 6) + (2 x 3)] / [(2 x 3 x 4 x 5 x 6)]
= 168 / (24 x 30)
= 7 / 30 - 1. (1/2 ÷ 4 + 20) / (1/2 x 4 + 20) =?
Options- A. 81 / 88
- B. 23/11
- C. 161 / 176
- D. 1 Discuss
- 2. (4.59 x 1.8 ÷ 3.6 + 5.4 of 1/9 - 1/5) =?
Options- A. 3.015
- B. 2.705
- C. 2.695
- D. None of these Discuss
- 3. In a college 1/5th of the girls and 1/8th of the boys took part in a social camp. What of the total number of student in the college took part in the camp?
Options- A. 13/40
- B. 13/80
- C. 2/13
- D. Data inadequate Discuss
- 4. (1/4 + 1/4 ÷ 5/4) / (1/4 x 1/4 + 2 1/ 4) =?
Options- A. 16/25
- B. 32/185
- C. 36/185
- D. None of these Discuss
- 5. (1/5 ÷ 1/5 of 1/5) / (1/5 of 1/5 ÷ 1/5) =?
Options- A. 1
- B. 5
- C. 1/5
- D. 25 Discuss
- 6. 3 2/ 3 + 2 3/ 4 + 1 1/ 2 =?
Options- A. 811/12
- B. 1012/13
- C. 711/12
- D. 911/13 Discuss
- 7. (5568 / 87) 1/3 + (72 x 2) 1/2 = (?) 1/2?
Options- A. 256
- B. 4
- C. ?2
- D. 16 Discuss
- 8. ? 289 - ? 625 ÷ ? 25 is equal to?
Options- A. 17
- B. 15
- C. 12
- D. -8/5 Discuss
- 9. If 0.764 B = 1.236 A, then what is the value of (B - A)/(B + A)?
Options- A. 0.764
- B. 0.236
- C. 2
- D. 0.472 Discuss
- 10. 7059 - 2350 + 1936 =? x 50
Options- A. 123.6
- B. 132.3
- C. 132.6
- D. 123.9 Discuss
Simplification problems
Search Results
Correct Answer: 161 / 176
Explanation:
Given Exp. = (1/2 x 1/4 + 20) / (2 + 20) = (161/8) x (1/22)
= 161 / 176
Correct Answer: 2.695
Explanation:
Given Exp. = 4.59 x 1.8 / 3.6 + 0.6 - 0.2
= 2.295 + 0.6 - 0.2 = 2.695
Correct Answer: 2/13
Explanation:
Out of the 5 girls, 1 took part in the camp. Out of the 8 boys, 1 took part in the camp.
? 2/13 of total number of students took part in the camp.
Correct Answer: 36/185
Explanation:
Given expression = (1/4 + 1/4 x 4/5) / (1/16 + 9/4)
= (1/4 + 1/5) / (37/16)
= 9/20 x 16/37
= 36/185
Correct Answer: 25
Explanation:
Given expression = (1/5 ÷ 1/25 ) / (1/25 ÷ 1/5)
= (1/5 x 25) / (1/25 x 5)
= 5 x 5
= 25
Correct Answer: 711/12
Explanation:
? = 32/3 + 23/4 + 11/2
= 3 + 2 + 1 + (2/3 + 3/4 + 1/2)
= 6 + (8 + 9 + 6)/12 = 6 + (23/12)
= 6 + (111/12)
= 711/12
Correct Answer: 256
Explanation:
(?)1/2 = (5568 / 87)1/3 + (72 x 2)1/2
= (64)1/3 + (144)1/2
? ? = (4 + 12)2 = 256
Correct Answer: 12
Explanation:
?289 - ?625 ÷ ?25
= ?17 x 17 - ?25 x 25 ÷ ?5 x 5
= 17 - 25 ÷ 5 = 17 - 5 = 12
Correct Answer: 0.236
Explanation:
Given, 0.764 B = 1.236 A
? B/A = 1.236 / 0.764
Now, (B - A)/(B + A) = (B/A - 1) / (B/A + 1)
= (1.236/0.764 - 1) / (1.236/0.764 + 1)
= (1.236 - 0.764)/(1.236 + 0.764)
= 0.472/2.000
= 0.236
Correct Answer:
Explanation:
7059 - 2350 + 1936 = ? x 50
? 8995 - 2350 = ? x 50
? ? = 6645/50 = 132.9
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