simplification Model Questions & Answers, Practice Test for ssc chsl tier 1 2023

Question :11

$(14^2 – 13^2)$ ÷ 3 = $?^2$

Answer: (b)

$?^2 = (14^2 – 13^2 )$ ÷ 3

= (14 + 13) (14 – 13) ÷ 3

=27×${1/3}$ =9

∴ ? = $√9$ = 3

Question :12

859.05 + 427.89 + 663.17 = ?

Answer: (d)

? = 859.05 + 427.89 + 663.17 = 1950.11

Question :13

? of 57.75 of 0.8 = 3187.8

Answer: (d)

?=${3187.8}/{57.75×0.8}$ = 69

Question :14

(78700 ÷ 1748) + (3.79 × 121.24) = ?

Answer: (a)

? ≈ ${78700}/{1750}$ + 4 × 120 = 45 + 460 = 505 ≈ 525

Question :15

832.456 – 539.982 – 123.321 = ?

Answer: (a)

? = 832.456 – (539.982 + 123.321)

= 832.456 – 663.303 = 169.153

ssc chsl tier 1 2023 IMPORTANT QUESTION AND ANSWERS

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