Simplification Tips and Tricks with Q&A

Simplification Tips and Tricks: The question simplification and approximation have been asked in competitive exams since the beginning. It’s one the classic quant topic which has never left the sight of any of the examiner. Hence, it becomes essential to have a key understanding along with solving methods to crack simplification questions.

Simplification Tips and Tricks

• Learn to make tables by yourself – For example – make the table of 87 using speed math tricks. This way you will not have to mug up the tables. 
• Sum, sub, multiply, divide 
• Square values till 25, Cube values till at least 20, Square roots, Cube root 
• Basic fractions 
• Basic percentage and ratio 
• Learn the BODMAS rule
• Practice and develop speed math techniques. Without them you can never finish such questions in the desired time.

Questions for Simplification with answer key

1.) What will come in the place of question mark (?) in the given expression? 

5² ÷ 25² × 125 + 60% of 480 = ? + 123 

a.) 135 

b.) 148 

c.) 155 

d.) 163 

e.) 170 

Answer: e) 

Solution: 

5² ÷ 25² × 125 + 60% of 480 =? + 123 

5^-2 × 5³ + 288 =? + 123 

? = 293 – 123 = 170 

Hence, option e. 

2.) What will come in the place of question mark (?) in the given expression? 

176 + 564 ÷ 12 =? ÷ 2 

a.) 440 

b.) 446 

c.) 450 

d.) 454 

e.) 460 

Answer: b) 

Solution: 

176 + 564 ÷ 12 = ? ÷ 2 

176 + 47 = ? ÷ 2 

? = 223 × 2 = 446 

Hence, option b. 

3.) What will come in the place of question mark (?) in the given expression? 

√16 + 576 × 1/4 = ? × 4 

a.) 35 

b.) 36 

c.) 37 

d.) 38 

e.) 39 

Answer: c) 

Solution: 

√16 + 576 × 1/4 = ? × 4 

4 + 144 = ? × 4 

? = 148/4 = 37 

Hence, option c. 

4.) What will come in the place of question mark (?) in the given expression? 

√1156 ÷ √289 + √1764 × √784 = ?  

a.) 1178 

b.) 1176 

c.) 1174 

d.) 1172 

e.) 1170 

Answer: a) 

Solution: 

√1156 ÷ √289 + √1764 × √784 = ? 

34 ÷ 17 + 42 × 28 = ?  

2 + 1176 = ? 

? = 1178 

Hence, option a. 

5.) What will come in the place of question mark (?) in the given expression? 

4752 + 3388 – 2024 = ?% of 200 

a.) 3050 

b.) 3054 

c.) 3058 

d.) 3062 

e.) 3066 

Answer: c) 

Solution: 

4752 + 3388 – 2024 = ?% of 200 

? = 6116/2 = 3058 

Hence, option c. 

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