Simplification Questions with explanation for SBI Clerk Pre 2020 at Smartkeeda

Directions: What will come in place of question mark(?) in the following questions?
1
√576 × √225× 36% of 1000 = ? + 540
» Explain it
A
√576 × √225× 36% of 1000 = ? + 540

⇒ 24 × 15 ×  36  × 1000 = x + 540
100

⇒ 360 × 360 = x + 540

⇒ 129600 = x + 540

⇒ x =129600 – 540

⇒ x = 129060

Hence, option (A) is correct. 
2
133.223 + 222.32 + 32.2 + 111.02 = ?
» Explain it
B
133.223 + 222.32 + 32.2 + 111.02 = ? 

? = 498.763
 
Hence, option (B) is correct.
3
345 ÷ 25 × 1225 + 45 × 12 – 36 × 7 = ?
» Explain it
C
345 ÷ 25 × 1225 + 45 × 12 – 36 × 7 = ?
 
⇒ 16905 + 540 – 252 = ?
 
⇒ 17193 = ?
 
Hence, option C is correct.
4
5  of  8  of  21  of 2526 = ?
6 7 24
» Explain it
E
5  of  8  of  21  of 2526 = ?
6 7 24

⇒  5  ×  8  ×  21  × 2526 = ?
6 7 24

⇒  5  × 2526 = ?
6

⇒ ? = 2105

Hence, option E is correct. 
5
30% of 550 – 120% of 6000 = ?
» Explain it
A
30% of 550 – 120% of 6000 = ?

⇒  30  × 550 –  120  × 6000 = ?
100 100

⇒ – 7035 = ?

Hence, option A is correct.