Practice Question and Answer

Q: The distance of the college and home of Rajeev is 80km. One day he was late by 1 hour than the normal time to leave for the college, so he increased his speed by 4km/h and thus he reached  to college  at the normal time. What is the changed (or increased) speed of Rajeev? 11601 0

  • 1
    28 km/h
    Correct
    Wrong
  • 2
    30 km/h
    Correct
    Wrong
  • 3
    40 km/h
    Correct
    Wrong
  • 4
    20 km/h
    Correct
    Wrong
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Answer : 4. "20 km/h"
Explanation :

Answer: D) 20 km/h Explanation: Let the normal speed be x km/h, then  80x-80(x+4)=1 ⇒x2+4x-320=0 ⇒x (x + 20) - 16 (x + 20) = 0 (x + 20 ) (x - 16) =0   x = 16 km/h  Therefore (x + 4) = 20 km/h  Therefore increased speed = 20 km/h

Q: निम्नलिखित में से कौन सा वायरस कंप्यूटर सिस्टम से आगे निकल जाता है, जब वह बूट करता है और सूचनाओं को नष्ट कर देता है? 11578 7

  • 1
    सिस्टम इंफेक्टर्स
    Correct
    Wrong
  • 2
    ट्रोजन
    Correct
    Wrong
  • 3
    चुपके वायरस
    Correct
    Wrong
  • 4
    बूट इंफेक्टर
    Correct
    Wrong
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Answer : 3. "चुपके वायरस"
Explanation :

Answer: C) Stealth virus Explanation:

Q:

आचार्य तुलसी ने "अणुव्रत आन्दोलन" का सूत्रपात कब किया।

11564 1

  • 1
    1942 ई.
    Correct
    Wrong
  • 2
    1949 ई.
    Correct
    Wrong
  • 3
    1945 ई.
    Correct
    Wrong
  • 4
    1952 ई.
    Correct
    Wrong
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Answer : 2. "1949 ई."

Q:

नीचे दिए गए विकल्पों में से प्रश्नवाचक चिह्न के स्थान पर आने वाली संख्या ज्ञात कीजिए

11558 0

  • 1
    61
    Correct
    Wrong
  • 2
    17
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    71
    Correct
    Wrong
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Answer : 4. "71"

Q:

यह सिक्किम के लिम्बू समुदाय का पारंपरिक वाद्य यंत्र है।

11555 2

  • 1
    चुत्के
    Correct
    Wrong
  • 2
    ज्यूरूम सिली
    Correct
    Wrong
  • 3
    नौमाती
    Correct
    Wrong
  • 4
    छयाप-ब्रूंग
    Correct
    Wrong
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Answer : 4. "छयाप-ब्रूंग"

Q:

विलुप्त संख्या ज्ञात कीजिए—

11527 0

  • 1
    6
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "7"

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