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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