IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Find the Odd one out of the given series 6, 15, 35, 77, 165, 221 12286 0

  • 1
    221
    सही
    गलत
  • 2
    165
    सही
    गलत
  • 3
    35
    सही
    गलत
  • 4
    77
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 2. "165"
व्याख्या :

Answer: B) 165 Explanation: The terms of the series are products of two consecutive prime numbers i.e. (2 x 3), (3 x 5), (5 x 7), (7 x 11),..... So, 165 is wrong and must be replaced by (11 x 13) i.e. 143.

प्र: Develop is to assess as train is to 11932 0

  • 1
    Change
    सही
    गलत
  • 2
    Educate
    सही
    गलत
  • 3
    Analyze
    सही
    गलत
  • 4
    Recruit
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 3. "Analyze"
व्याख्या :

Answer: C) Analyze Explanation: When you develop a product, you assess its performance for proper functioning. Similarly, when you train a person to do a job, you analyze his/her performance to understand how good he/she is at it.   Hence, Develop : Assess :: Train : Analyze.

प्र: One word substitute for 'a post without remuneration?' 11850 0

  • 1
    Voluntary
    सही
    गलत
  • 2
    Honorary
    सही
    गलत
  • 3
    Involuntary
    सही
    गलत
  • 4
    Sinecure
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 2. "Honorary"
व्याख्या :

Answer: B) Honorary Explanation: The One-word substitute for 'a post without remuneration' is Honorary.

प्र: 4 men can repair a road in 7 hours. How many men are required to repair the road in 2 hours ? 11603 0

  • 1
    17 men
    सही
    गलत
  • 2
    14 men
    सही
    गलत
  • 3
    13 men
    सही
    गलत
  • 4
    16 men
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 2. "14 men"
व्याख्या :

Answer: B) 14 men Explanation: M x T / W = Constantwhere, M= Men (no. of men)T= Time takenW= Work loadSo, here we applyM1 x T1/ W1 = M2 x T2 / W2Given that, M1 = 4 men, T1 = 7 hours ; T2 = 2 hours, we have to find M2 =?Note that here, W1 = W2 = 1 road, ie. equal work load.Clearly, substituting in the above equation we get, M2 = 14 men.

प्र: Tennis is to Sport as Chemistry is to 11259 0

  • 1
    Biology
    सही
    गलत
  • 2
    Physics
    सही
    गलत
  • 3
    Science
    सही
    गलत
  • 4
    Subject
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 3. "Science"
व्याख्या :

Answer: C) Science Explanation: As Tennis is a kind of Sport, similarly, Chemistry is a kind of science.   Hence, Tennis : Sport :: Chemistry : Science.

प्र: Which of the following is likely during vigorous exercise? 11192 0

  • 1
    Blood flow to the kidneys increases.
    सही
    गलत
  • 2
    capillaries of the active muscles will be engorged with blood.
    सही
    गलत
  • 3
    The skin will be cold and clammy.
    सही
    गलत
  • 4
    Blood will be diverted to the digestive organs.
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 2. "capillaries of the active muscles will be engorged with blood."
व्याख्या :

Answer: B) capillaries of the active muscles will be engorged with blood. Explanation: During vigorous exercise capillaries of the active muscles will be engorged with blood.

प्र: In a cricket match, five batsmen P, Q, R, S and T scored an average of 36 runs. S Scored 5 more than T; T scored 8 fewer than P; Q scored as many as S and T combined; and Q and R scored 107 between them. How many runs did T score ? 11171 0

  • 1
    20
    सही
    गलत
  • 2
    29
    सही
    गलत
  • 3
    28
    सही
    गलत
  • 4
    24
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 1. "20"
व्याख्या :

Answer: A) 20 Explanation: Let the runs scored by P, Q, R, S and T be  a, b, c, d and e From given data, a + b + c + d + e = 36 x 5 = 180b + c = 107Let a = xe = x-8d = x-3now 3x - 11 + 107 = 1803x = 84x = 28e's score = 28-8 = 20

  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

उत्तर : 2. "&N4 and @E9"
व्याख्या :

Answer: B) &N4 and @E9 Explanation: plan is given in first step. Total count of letters is 4 and last letter is N and ‘p’ is coded as & so Final answer will be-  &N4 We have to find 'translate' code. As we can see that this word is not given in any steps but as we know the idea of that so we can solve it. Step I: first we will count the letters of that word that is 9, then we put digit 9 at the right end. Step II: we will put the last letter of that word then it will like- E9 Step III: at the last step ‘t’ is coded for ‘@’(first letter of each word is coded by a specific symbol like here ‘t’ is coded for ‘@’. We can find the first coded symbol by looking at the other given words. Answer will be - @E9

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई