Practice Question and Answer

Q: In a rhombus ABCD, ∠A=60º and AB=12 cm. Then the diagonal BD is: 2038 0

  • 1
    2√3 cm
    Correct
    Wrong
  • 2
    6cm
    Correct
    Wrong
  • 3
    12cm
    Correct
    Wrong
  • 4
    10cm
    Correct
    Wrong
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Answer : 3. "12cm"

Q: Q = mc∆T refers to 2038 0

  • 1
    Enthalpy formula
    Correct
    Wrong
  • 2
    Heat Transfer formula
    Correct
    Wrong
  • 3
    Specific Heat formula
    Correct
    Wrong
  • 4
    Heat of Vaporization
    Correct
    Wrong
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Answer : 3. "Specific Heat formula"
Explanation :

Answer: C) Specific Heat formula Explanation: Q = mc∆T refers to Specific Heat formula.   When heat energy is added to a substance, the temperature will change by a certain amount. The relationship between heat energy and temperature is different for every material, and the specific heat is a value that describes how they relate.   Q = mc∆T   Q = heat energy (Joules, J) m = mass of a substance (kg) c = specific heat (units J/kg∙K) ∆T = change in temperature (Kelvins, K)

Q:

The least value of n, such that (1 + 3 + 32 + ... + 3n) exceeds 2000, is-

2037 0

  • 1
    7
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 2. "8 "

Q:

Mounting unemployment is the most serious and………problem faced by India today.

2037 0

  • 1
    dubious
    Correct
    Wrong
  • 2
    profound
    Correct
    Wrong
  • 3
    unpopular
    Correct
    Wrong
  • 4
    intractable
    Correct
    Wrong
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Answer : 4. "intractable"

Q:

If $$ 5^{5x+1}=1 $$, then x equals

2037 0

  • 1
    0
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$ -{4\over5}$$
    Correct
    Wrong
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Answer : 2. "-1"

Q:

The mentor of Saint Pipa was? 

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  • 1
    Ramanuj
    Correct
    Wrong
  • 2
    Kabir
    Correct
    Wrong
  • 3
    Ramanand
    Correct
    Wrong
  • 4
    Shankarachary
    Correct
    Wrong
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Answer : 3. " Ramanand "

Q:

Identify the best way to improve the Bold part of the given sentence. If there is no improvement required, select ‘no improvement’-

He made the utmost effort to save us.

2037 0

  • 1
    an all-out
    Correct
    Wrong
  • 2
    an altered
    Correct
    Wrong
  • 3
    an intentional
    Correct
    Wrong
  • 4
    No improvement
    Correct
    Wrong
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Answer : 4. "No improvement"

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