Simplification Questions and Approximation Questions

Simplification: Simplification Questions are usually asked in  all competitive exams like SSC, SBI, IBPS, RBI, LIC, RRB, AAI, DRDO, ISRO, NTR, FSSAI, CWC, LIC, SSC CGL, Railways and other state government exams. 
Simplification questions are very easy to solve in very less time. On this page, we are providing all varieties of Simplification questions along with previous year Simplification Questions.
Simplification Questions are usually based on fast calculation which include good command on multiplication, division, addition, subtraction along with Vedic Math. In government exams like SBI Clerk/PO, IBPS Clerk/PO, RRB Clerk/PO, SSC CGL, SSC CHSL, ,there are almost 10-15 Simplification Questions.
1. What should come in place of question mark in the following questions?

35 * √841 – 567 = ? * 22 – 58

A. 21
B. 23
C. 22
D. 20
E. 24

Option “B” is correct.

35 * 29 – 567 = ? * 22 -58

506=? * 22

?=23
2. What should come in place of question mark in the following questions?

(42)8 * (4)12 ÷ (4)18 = (4)?

A. 8
B. 9
C. 10
D. 11
E. 7

Option “C” is correct.

(42)8 * (4)12 ÷ (4)18 = (4)?

416 * (4)-6 = (4)?

? = 16 – 6

? = 10
3. What should come in place of question mark in the following questions?

12 * 15 + 173 + 112 – 153 =?

A. 1839
B. 1726
C. 1765
D. 1871
E. 1697

Option “A” is correct.

12 * 15 + 173 + 112 – 153 =?

180 + 4913 + 121 – 3375 =?

?= 1839
4. What should come in place of question mark in the following questions?

3√6859 + 3√125 – 3√729 = ?

A. 15
B. 22
C. 10
D. 12
E. 18

Option “A” is correct.

193 = 6859, 53 = 125, 93 = 729

? = 3√6859 + 3√125 – 3√729

= 19 + 5 – 9 = 15
5. What should come in place of question mark in the following questions?

(?)2 + 103 = 362 – 7

A. 5
B. 1
C. 17
D. 37
E. 33

Option “C” is correct.

(?)2 = 362 – 7 – 103

= 1296 – 7 – 1000 = 289

So, ? = 17
6. What should come in place of question mark in the following questions?

1056 ÷ 33 = ? + 40

A. -7
B. -8
C. -9
D. -10
E. -6

Option “B” is correct.

?= 1056 ÷ 33 – 40

= 32 – 40

= -8
7. What should come in place of question mark in the following questions?

85 * 25 + 75 * 12 – 60 * 23 = ?

A. 1245
B. 1345
C. 1445
D. 1545
E. 1645

Option “E” is correct.

85 * 25 + 75 * 12 – 60 * 23 = ?

2125 + 900 – 1380= ?

? = 1645
8. What should come in place of question mark in the following questions?

√1444 + ? = 2 2/4 of 72

A. 153
B. 142
C. 155
D. 146
E. 124

Option “B” is correct.

? = 72 * (10/4) – √1444

? = 18 * 10 – 38

? = 180 – 38 = 142
9. What should come in place of question mark in the following questions?

(23)2 + (20)2 – (15)2 = ?

A. 718
B. 725
C. 704
D. 715
E. 696

Option “C” is correct.

? = 232 + 202 – 152

? = 529 + 400 – 225

? = 704
10. What should come in place of question mark in the following questions?

(?)2 + 63 = 182 – 8

A. 22
B. 18
C. 10
D. 14
E. 30

Option “C” is correct.

(?)2 = 182 – 8 – 63

?2 = 324 – 8 – 216 = 100

So,

? = 10

 

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