Practice Question and Answer

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Answer :
Explanation :

Average money received by each = 118/50 = Rs. 2.36     Therefore, Ratio of No.of boys and girls = 56 : 24 = 7 : 3  Therefore, Number of boys = 50 x (7/10) = 35  Number of girls = 50 - 35 = 15

Q: In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random and are placed in a box. If a coin is now picked from the box, find the probability of it being a rupee coin? 7426 0

  • 1
    4/7
    Correct
    Wrong
  • 2
    2/3
    Correct
    Wrong
  • 3
    1/2
    Correct
    Wrong
  • 4
    5/6
    Correct
    Wrong
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Answer : 2. "2/3"
Explanation :

Answer: B) 2/3 Explanation: Total coins 30 In that, 1 rupee coins 20 50 paise coins 10Probability of total 1 rupee coins =  20C11 Probability that 11 coins are picked = 30C11 Required probability of a coin now picked from the box is 1 rupee = 20C11/30C11 = 2/3.

Q:

राम का जन्म 2 जनवरी 1946 को हुआ. वह सप्ताह का कोनसा-दिन था?

7417 0

  • 1
    सोमवार
    Correct
    Wrong
  • 2
    मंगलवार
    Correct
    Wrong
  • 3
    बुधवार
    Correct
    Wrong
  • 4
    शुक्रवार
    Correct
    Wrong
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Answer : 3. "बुधवार"

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Answer : 2. "19/20"

Q:

CRR बढ़ने पर क्या होता है? 

7398 0

  • 1
    इससे मुद्रा आपूर्ति घट जाती है
    Correct
    Wrong
  • 2
    यह धन की आपूर्ति को बढ़ाता है
    Correct
    Wrong
  • 3
    इससे महंगाई घटती है
    Correct
    Wrong
  • 4
    केवल 1 और 3
    Correct
    Wrong
  • 5
    उपरोक्त सभी
    Correct
    Wrong
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Answer : 4. "केवल 1 और 3 "

Q:

देश में दिल्ली हरियाली में कौन-से स्थान पर है ?

7390 0

  • 1
    प्रथम
    Correct
    Wrong
  • 2
    दूसरा
    Correct
    Wrong
  • 3
    तीसरा
    Correct
    Wrong
  • 4
    चौथा
    Correct
    Wrong
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Answer : 4. "चौथा"

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