Simplification & Approximation Tricks

SBI POIBPS POSSC CGLRRB

Yaad Karne ki List

  1. BODMAS order: Brackets → Orders → Division → Multiplication → Addition → Subtraction
  2. Approximation: nearest 5 ya 10 pe round karo pehle
  3. 5 pe end hone wale numbers ka square: (n)(n+1) fir 25 lagao
  4. 11 se multiply: digits ka sum beech mein daalo
  5. Percentage-fraction: 12.5%=1/8, 16.67%=1/6, 37.5%=3/8
  6. 5 se divide: 2 se multiply, 10 se divide

Mnemonic Tricks

Shortcut Method

Approximation: Ugly numbers ko nearby round numbers se replace karo. 789÷26.8 ≈ 800÷27 ≈ 30. Closest option choose karo.

Yeh Fast Kyun Hai

Banking exam options mein 10-15% gap hota hai. Exact answer zaroori nahi — close enough se option pick ho jaata hai.

Shortcut Method

5 pe end: 35² = (3×4)|25 = 1225. 75² = (7×8)|25 = 5625. 95² = (9×10)|25 = 9025.

Yeh Fast Kyun Hai

DI calculations mein instant squares milte hain bina multiplication ke.

Aksar Poochhe Jaane Wale Sawaal

Simplification fast kaise solve karein?

Approximation use karo: numbers ko nearest 5/10 pe round karo, mentally solve karo, closest option pick karo.

SBI PO mein kitne simplification aate hain?

Prelims mein 5 questions guaranteed aate hain — easiest marks. Practice se 10-15 seconds per question.