SSC & BANK EXAMS: QUANTITATIVE APTITUDE · SIMPLIFICATION

Simplification (BODMAS)

Brackets → Of → Division/Multiplication (left to right) → Addition/Subtraction (left to right).

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Worked examples

Example 1 · level 1

35 + 6 × 3 − 24 ÷ 8 = ?

44
50
12.38
60

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Division and multiplication first: 6 × 3 = 18, 24 ÷ 8 = 3.
35 + 18 − 3 = 50.

Answer: 50

Example 2 · level 2

(3 + 14) × 7 − 10 ÷ 2 + 29 = ?

153
143
83.5
137

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Bracket: 3 + 14 = 17.
17 × 7 = 119 and 10 ÷ 2 = 5.
119 − 5 + 29 = 143.

Answer: 143

Example 3 · level 3

50% of 280 + 19² − 24 ÷ 4 × 6 = ?

475
500
465
459

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50% of 280 = 140.
19² = 361.
÷ and × left to right: 24 ÷ 4 = 6, then × 6 = 36.
140 + 361 − 36 = 465.

Answer: 465