Aptitude Practice Question and Answer

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Answer : 1. "13 days "

Q:

एक रोबोट का अंकित मूल्य ₹ 18000 है । इसको 20% के छूट पर बेचने से 4% की हानि होती है । रोबोट का क्रय मूल्य बताये। 

1712 0

  • 1
    ₹ 14,000
    Correct
    Wrong
  • 2
    ₹ 15,000
    Correct
    Wrong
  • 3
    ₹ 10,000
    Correct
    Wrong
  • 4
    ₹ 12,000
    Correct
    Wrong
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Answer : 2. "₹ 15,000 "

Q:

यदि $$ {a\over 3}={b\over3}={c\over4}$$  है तो $$ {a+b+c\over c}$$ का मान होगा

1056 0

  • 1
    $$ {5\over 8}$$
    Correct
    Wrong
  • 2
    $$ {5\over 2}$$
    Correct
    Wrong
  • 3
    $$ {5\over 7}$$
    Correct
    Wrong
  • 4
    $$ {9\over 8}$$
    Correct
    Wrong
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Answer : 2. "$$ {5\over 2}$$"

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Answer : 2. "7.2 घंटे "

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Answer : 2. "9 km/hr, 3 km/hr"
Explanation :

Answer: B) 9 km/hr, 3 km/hr Explanation: Let the speed of the boat = p kmph Let the speed of the river flow = q kmph From the given data, 2 x 28p + q = 28p - q   => 56p - 56q -28p - 28q = 0 => 28p = 84q => p = 3q. Now, given that if 283q + 2q + 283q - 2q = 67260=> 285q + 28q = 67260=> q = 3 kmph=> x  =3q = 9 kmph   Hence, the speed of the boat = p kmph = 9 kmph and the speed of the river flow = q kmph = 3 kmph.

Q:

यदि A: B = 4:5 और B:C= 3: 7 है तो C:A का मान क्या है?

1176 0

  • 1
    12 : 35
    Correct
    Wrong
  • 2
    35 : 12
    Correct
    Wrong
  • 3
    7 :4
    Correct
    Wrong
  • 4
    3 :1
    Correct
    Wrong
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Answer : 2. "35 : 12"

Q:

90 किमी / घंटा की गति से चलने वाली ट्रेन 7 सेकंड में एक पोल को पार करती है तो   ट्रेन की लंबाई ज्ञात कीजिए।

43513 0

  • 1
    150 मीटर
    Correct
    Wrong
  • 2
    165 मीटर
    Correct
    Wrong
  • 3
    175 मीटर
    Correct
    Wrong
  • 4
    170 मीटर
    Correct
    Wrong
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Answer : 3. "175 मीटर"

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Answer : 1. "10.5%"

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