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Banking Jobs Mathematics MCQs with Answers

87 practice MCQs on Mathematics for Banking Jobs tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.

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Q71. If 40% of a number is 40, what is the number?

  1. 80
  2. 100
  3. 200
  4. 120
Show answer and explanation

Correct answer: B. 100

Number = 40 x 100/40 = 100.

Q72. What is the supplement of 150 degrees?

  1. 60 degrees
  2. 20 degrees
  3. 40 degrees
  4. 30 degrees
Show answer and explanation

Correct answer: D. 30 degrees

Supplementary angles add to 180: 180-150 = 30.

Q73. What is the supplement of 30 degrees?

  1. 140 degrees
  2. 60 degrees
  3. 160 degrees
  4. 150 degrees
Show answer and explanation

Correct answer: D. 150 degrees

Supplementary angles add to 180: 180-30 = 150.

Q74. Find the area of a rectangle with length 13 cm and breadth 20 cm (in sq cm).

  1. 260
  2. 273
  3. 240
  4. 66
Show answer and explanation

Correct answer: A. 260

Area = l x b = 260.

Q75. What is the LCM of 72 and 36?

  1. 108
  2. 36
  3. 72
  4. 144
Show answer and explanation

Correct answer: C. 72

LCM = (x*y)/HCF = 2592/36 = 72.

Q76. What is 81 x 40?

  1. 3210
  2. 3340
  3. 3280
  4. 3240
Show answer and explanation

Correct answer: D. 3240

81 x 40 = 3240.

Q77. Find the total surface area of a cube of side 3 cm (in sq cm).

  1. 18
  2. 36
  3. 27
  4. 54
Show answer and explanation

Correct answer: D. 54

TSA = 6 x side^2 = 54.

Q78. What is the sum of first 10 odd natural numbers?

  1. 55
  2. 110
  3. 100
  4. 90
Show answer and explanation

Correct answer: C. 100

The sum of first n odd numbers is n^2.

Q79. Find the perimeter of a rectangle with length 13 cm and breadth 8 cm (in cm).

  1. 34
  2. 21
  3. 104
  4. 42
Show answer and explanation

Correct answer: D. 42

Perimeter = 2(l+b) = 42.

Q80. Find the total surface area of a cube of side 4 cm (in sq cm).

  1. 24
  2. 96
  3. 64
  4. 48
Show answer and explanation

Correct answer: B. 96

TSA = 6 x side^2 = 96.

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