Aptitude Questions Practice Question and Answer

Q: If a2+b2 = c2 , then 1logc+ab + 1logc-ab = ? 2355 1

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    1
    Correct
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  • 2
    2
    Correct
    Wrong
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    4
    Correct
    Wrong
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    8
    Correct
    Wrong
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Answer : 2. "2"
Explanation :

Answer: B) 2 Explanation: Given a2 + b2 = c2   Now  1logc+ab  + 1logc-ab    = logbc+a + logbc-a   = logbc2-a2 = 2logbb = 2

Q: रु 400 की राशि 4 वर्ष में रु 480 हो जाते है। यदि ब्याज की दर 2% बढ़ा दिए जाये तो नया मिश्रधन बताए? 2728 0

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    Rs. 484
    Correct
    Wrong
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    Rs. 560
    Correct
    Wrong
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    Rs. 512
    Correct
    Wrong
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    None of these
    Correct
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Answer : 3. "Rs. 512"

Q: If a quarter kg of carrots costs 60 paise, how many paise will 200 gms cost ? 1911 0

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    78 paise
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    48 paise
    Correct
    Wrong
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    54 paise
    Correct
    Wrong
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    62 paise
    Correct
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Answer : 2. "48 paise"
Explanation :

Answer: B) 48 paise Explanation: Quarter of Kg means 250 gm Less weight, less price (Direct Proportion) So, 250 : 200 :: 60 : x => x = 48 So 200 gm will cost 48 paise.

Q: An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ? 2817 1

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    29.32 sec
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    42.51 sec
    Correct
    Wrong
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    39.25 sec
    Correct
    Wrong
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    45.61 sec
    Correct
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Answer : 4. "45.61 sec"
Explanation :

Answer: D) 45.61 sec Explanation: Given loom weaves 1.14 mts of cloth in one second then 52 mts of cloth can be weaved by loom in, 1.14 ----- 1 52.0 ------?  ⇒521.14= 45.61 sec

Q: A vertical toy 18 cm long casts a shadow 8 cm long on the ground. At the same time a pole casts a shadow 48 m. long on the ground. Then find the height of the pole ? 3405 0

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    1080 cm
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    180 m
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    108 m
    Correct
    Wrong
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    118 cm
    Correct
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Answer : 3. "108 m"
Explanation :

Answer: C) 108 m Explanation: We know the rule that,   At particular time for all object , ratio of height and shadow are same.   Let the height of the pole be 'H'   Then  188=H48   => H = 108 m.

Q: Solve the equation 122x+1 = 1 ? 4081 0

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    -1/2
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    1/2
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    Wrong
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    1
    Correct
    Wrong
  • 4
    -1
    Correct
    Wrong
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Answer : 1. "-1/2"
Explanation :

Answer: A) -1/2 Explanation: Rewrite equation as 122x+1 = 120   Leads to 2x + 1 = 0    Solve for x : x = -1/2

Q: In a queue, Shankar is ninth from the rear end. Althaf's place is eighth from the front. Nitu is standing between the two. What could be the minimum numbers of boys standing in the queue ? 2411 0

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    18
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    14
    Correct
    Wrong
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    22
    Correct
    Wrong
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    24
    Correct
    Wrong
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Answer : 2. "14"
Explanation :

Answer: B) 14 Explanation: 1 2 3 4 5 6(Shankar) 7(Nitu) 8(Althaf) 9 10 11 12 13 14Here, Althaf is 8th from front, Shankar is 9th from rear end and Nitu is between themSo minimum no. of boys standing in the queue = 14

Q: What is the number of digits in 333? Given that log3 = 0.47712? 5528 0

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    12
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    Wrong
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    13
    Correct
    Wrong
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    14
    Correct
    Wrong
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    15
    Correct
    Wrong
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Answer : 2. "13"
Explanation :

Answer: B) 13 Explanation:  Let   Let x=333 = 333    Then, logx = 33 log3     = 27 x 0.47712 = 12.88224    Since the characteristic in the resultant value of log x is 12   ∴The number of digits in x is (12 + 1) = 13    Hence the required number of digits in 333is 13.

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