Practice Question and Answer

Q: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum? 2402 0

  • 1
    2.9 years
    Correct
    Wrong
  • 2
    3.5 years
    Correct
    Wrong
  • 3
    4.2 years
    Correct
    Wrong
  • 4
    4.7 years
    Correct
    Wrong
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Answer : 2. "3.5 years"
Explanation :

Answer: B) 3.5 years Explanation: Given that Rs. 1860 will become Rs. 2641.20 at 12% => Simple Interest = 2641.20 - 1860 = Rs. 781.20 We know I = PTR/100 => 781.20 x 100 = 1860 x T x 12 => T = 78120/1860x12 => T = 78120/22320 => T = 3.5 years.

Q:

b_ac_cc_cb_ab_ac 

2402 0

  • 1
    abbbc
    Correct
    Wrong
  • 2
    bbaac
    Correct
    Wrong
  • 3
    cbaba
    Correct
    Wrong
  • 4
    aabba
    Correct
    Wrong
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Answer : 4. "aabba "

Q: First geothermal power plant in India? 2402 0

  • 1
    Chattisgarh
    Correct
    Wrong
  • 2
    Telangana
    Correct
    Wrong
  • 3
    Andhra Pradesh
    Correct
    Wrong
  • 4
    Uttar Pradesh
    Correct
    Wrong
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Answer : 1. "Chattisgarh"
Explanation :

Answer: A) Chattisgarh Explanation: Chattisgarh State government has granted permission for the installation of a Geothermal Power Plant at Tattapani area of the Balrampur district to the NTPC and it is the first geothermal power plant in India.

Q:

Find the number of triangles?

2402 0

  • 1
    5
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 4. "10"

Q:

The first electronic digital computer contained _________?

2402 0

  • 1
    Electronic valves
    Correct
    Wrong
  • 2
    Neural Networks
    Correct
    Wrong
  • 3
    Fuzzy Logic
    Correct
    Wrong
  • 4
    Semiconductor memory
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Electronic valves"

Q:

Six persons A, B, C, D, E and F go to office on six different days of the week from Monday to Saturday. A go before Wednesday. Only two persons go between A and D. Three persons go between D and F. B goes after D. E goes before D but not immediately before D. In which of the following days C go to office?

2401 0

  • 1
    Monday
    Correct
    Wrong
  • 2
    Tuesday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Thursday
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "Thursday "

Q: A can build a wall in 16 days while B can destroy it in 8 days. A worked for 5 days. Then B joined with A for the next 2 days. Find in how many days could A build the remaining wall ? 2401 0

  • 1
    12 days
    Correct
    Wrong
  • 2
    14 days
    Correct
    Wrong
  • 3
    13 days
    Correct
    Wrong
  • 4
    16 days
    Correct
    Wrong
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Answer : 3. "13 days"
Explanation :

Answer: C) 13 days Explanation: Now, Total work = LCM(16, 8) = 48 A's one day work = + 48/16 = + 3 B's one day work = - 48/8 = -6 Given A worked for 5 days to build the wall => 5 days work = 5 x 3 = + 15 2days B joined with A in working = 2(3 - 6) = - 6 Remaining Work of building wall = 48 - (15 - 6) = 39 Now this remaining work will be done by A in = 39/3 = 13 days.

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