Tech Mahindra Papers: Sample Questions 40 - 41 of 42

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Question number: 40

» Aptitude

Short Answer Question▾

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The difference between the compound interest payable half yearly and the simple interest on certain sum at 10 % per anum for 1 year is Rs. 25. What is the sum?

Explanation

The compound interest is payable half yearly.

Let the sum be x.

Compound Interest = Amount – Principal

Simple Interest = Principal x Rate x Number of years

Difference between CI and SI is Rs. 25.

Question number: 41

» Aptitude

Short Answer Question▾

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Find out the missing term in the following sequence.

0,2, 2,4, 6,10, —, 26

Explanation

  • This is type of Fibonacci series.
  • First term of the series is 0.
  • Second term of the series is 2.
  • Third term of the series is again 2, which is addition of previous two terms, i. e.
  • Fourth term of the series is 4, which is addition of previous two terms, i. e.
  • Fifth term of the series is 6, which is addition of previous two terms, i. e.
  • Sixth term of the series is 10, which is addition of previous two terms, i. e.
  • Seventh term of the series needs to be find out.
  • It should also be the addition of previous two terms, i. e.
  • Eighth term also satisfies the same property, i. e.
  • So, missing term of the series is 16.