Tech Mahindra Papers: Sample Questions 15 - 17 of 42

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Question number: 15

» Aptitude

MCQ▾

Question

How many mashes are there in 1 square meter of wire gauge if each mesh is 8mm long and 5mm wide?

Choices

Choice (4) Response

a.

250

b.

2500

c.

25000

d.

250000

Answer

c.

Explanation

  • We know, 1 m = 100 cm
  • 1 cm = 10 mm
  • So, 1 mm = 100 cm = 1000 mm
  • So, 1 =
  • Let there be x number of meshes in 1 square meter of wire gauge. Mesh is 8 mm long and 5 mm wide.
  • Volume of total number of meshes is equal to volume of wire gauge.

  • There are total 25000 meshes in wire gauge.

Question number: 16

» Aptitude

MCQ▾

Question

If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream?

Choices

Choice (4) Response

a.

34 km/hr

b.

26 km/hr

c.

13 km/hr

d.

None of the above

Answer

c.

Explanation

  • Boat is moving in upstream with velocity of 14 km/hr, i. e. b = 14 km/hr
  • Boat is moving in downstream with velocity of 40 km/hr, i. e. a = 40 km/hr
  • Here, we have to find the speed of stream.
  • Let the speed of stream be v km/hr.
  • Speed of stream,

  • Speed of stream is 13 km/hr.

Question number: 17

» Aptitude

Short Answer Question▾

Write in Short

What will be the next term of the series?

23,48,84,133, —-

Explanation

  • First term of the series is 23 and second term of the series is 48.
  • Difference between first and second term is 25, which is square of 5.
  • Third term of the series is 84.
  • Difference between second and third term of the series is 36, which is square of 6.
  • Fourth term of the series is 133.
  • Difference between third and fourth term of the series is 49, which is square of 7.
  • Following the same pattern, difference between fourth and fifth term of the series should be square of 8, i. e. 64
  • Therefore,
  • Fifth term of the given series should be 197.