TCS Placement: Sample Questions 426 - 427 of 502

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Question 426

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Short Answer▾

The cost price of a cow and a horse is ₹ 3 lakhs. The cow is sold at 20 % profit and the horse is sold at 10 % loss. Overall gain is ₹ 4200. What is the cost price of the cow?

Explanation

  • Let the cost of cow is ₹ x and cost of horse is ₹ y.
  • Here, cost price of cow and horse is ₹ 3 lakhs.
  • So,
  • Overall gain is ₹ 4200.
  • We know,

  • The cow is sold at 20 % profit and the horse is sold at 10 % loss, i.e..
  • Solving both the equations,

  • So, cost price of cow is ₹ 114000.

Question 427

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Short Answer▾

If TAFJHH is coded as RBEKGI then what will be the code for RBDJK?

Explanation

  • Here, TAFJHH is coded as RBEKGI.
  • In the first letter ‘T’ is decremented by two positions in alphabets and coded as ‘R’
  • Second letter ‘A’ is incremented by one position in alphabets and coded as ‘B’
  • Third letter ‘F’ is decremented by one position in alphabets and coded as ‘E’
  • Fourth letter ‘J’ is incremented by one position in alphabets and coded as ‘K’
  • Fifth letter ‘H’ is decremented by one position in alphabets and coded as ‘G’
  • Sixth letter ‘H’ is incremented by one position in alphabets and coded as ‘I’
  • Following the same pattern we can find the code word for RBDJK
  • Decrementing letter ‘R’ by two position in alphabets, it will be coded as ‘P’
  • Incrementing letter ‘B’ by one position in alphabets, it will be coded as ‘C’
  • Decrementing letter ‘D’ by one position in alphabets, it will be coded as ‘C’
  • Incrementing letter ‘J’ by one position in alphabets, it will be coded as ‘K’
  • Decrementing letter ‘K’ by one position in alphabets, it will be coded as ‘J’
  • So, code word for ‘RBDJK’ will be ‘PCCKJ’

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