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- Question
- A and B together can complete a work in 3 days. They started together but after 2 days, B left the work. If the work is completed after 2 more days, B alone could do the work in how many days?
Options- A. 5
- B. 6
- C. 7
- D. 10
- Correct Answer
- 6
Explanation(A + B)'s 2 day's work = 2 x (1/3) = 2/3
Remaining work = 1 - (2/3) = 1/3
A will complete 1/3 work in 2
A will complete 1 work in 6
A's 1 days work = 1/6
B's 1 day's work = (1/3) - (1/6) = 1/6
? B will take 6 days to complete the work alone. - 1. ? 10 x ? 15?
Options- A. 5?6
- B. 6?5
- C. 5
- D. ?30 Discuss
- 2. ? 36.1 / 102.4 =?
Options- A. 29/32
- B. 19/72
- C. 19/32
- D. 29/62 Discuss
- 3. ? 324/1.5 =?/ ? 256
Options- A. 192
- B. 432
- C. 288
- D. 122 Discuss
- 4. ? (0.324 x 0.081 x 4.624) / (1.5625 x 0.0289 x 72.9 x 64) =?
Options- A. 24
- B. 2.40
- C. 0.024
- D. None of these Discuss
- 5. If ? 15625 = 125, then the value of [? 15625 + ? 156.25 + ? 1.5625] is?
Options- A. 1.3875
- B. 13.875
- C. 138.75
- D. 156.25 Discuss
- 6. ? 0.01 + ?0.0064 =?
Options- A. 0.3
- B. 0.03
- C. ?0.18
- D. None of these Discuss
- 7. 1/ (? 9 - ? 8) =?
Options- A. (3 - 2?2) / 2
- B. 1/ (3 + 2?2)
- C. (3- 2?2)
- D. (3 + 2?2) Discuss
- 8. The value of ? 0.064 is?
Options- A. 0.8
- B. 0.08
- C. 0.008
- D. 0.252 Discuss
- 9. ? 176 + ?2401 =?
Options- A. 14
- B. 15
- C. 18
- D. 24 Discuss
- 10. (? 32 + ? 48) / (? 8 + ? 12) =?
Options- A. ?2
- B. 2
- C. 4
- D. 8 Discuss
More questions
Correct Answer: 5?6
Explanation:
?10 x ?15
= ?10 x 15
= ?150
= ?25 x 6
= ?25 x ?6
= 5?6
Correct Answer: 19/32
Explanation:
?36.1/102.4
= ?361/1024
= 19/32
Correct Answer: 192
Explanation:
?324/ 1.5 = N / ?256
? 18/1.5 = N/16
? N = (18 x 16) / 1.5 = (18 x 16 x 10) / 15
= 192
Correct Answer: 0.024
Explanation:
Sum of decimal places being equal in Num. and Denom. of given expression
So ,Given expression is equivalent to
?(324 x 81 x 4624) / (15625 x 289 x 729 x 64)
= (18 x 9 x 68) / (125 x 17 x 27 x 8)
= 3/125
= 0.024
Correct Answer: 138.75
Explanation:
Given expression = ?15625 + ?15625/100 + ?15625/10000
= (125 + 125/10 + 125/100)
= (125 + 12.5 + 1.25)
= 138.75
Correct Answer: 0.3
Explanation:
Given expression = ?0.01 + 0.08
=?0.09
= 0.3
Correct Answer: (3 + 2?2)
Explanation:
Exp. = 1 / (?9 - ?8)
= [1 / (?9 - ?8)] x [(?9 + ?8) / (?9 + ?8)]
= (3 + 2?2 ) / (9 - 8)
= (3 + 2?2)
Correct Answer: 0.252
Explanation:
?0.064 = ?0.0640
= ?640/10000
= ?640 / 100
= 25.2/100
= 0.252.
Correct Answer: 15
Explanation:
?176 + ?2401
= ?176 + 49
= ?225 = 15
Correct Answer: 2
Explanation:
(?32 + ?48) / (?8 + ?12)
= (?16 x 2 + ?16 x 3) / (?4 x 2 + ?4 x 3)
= (4?2 + 4?3) / (2?2 + 2?3)
= 4(?2 + ?3) / 2(?2 + ?3 ) = 2
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