Coded Equation Questions For SSC GD PDF
SSC GD Constable Coded Equation Question paper with answers download PDF based on SSC GD exam previous papers. 40 Very important Coded Equation questions for GD Constable.
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Question 1: If $‘+’ means ‘\times’, ‘-’ means ‘\div’, ‘\times’ means ‘-’, ‘\div’ means ‘+’$ $33+11\div15\times4-7$=?
a) 18
b) 20
c) 22
d) 16
Question 2: If $‘+’ means ‘\times’, ‘-’ means ‘\div’, ‘\times’ means ‘-’, ‘\div’ means ‘+’$ $72+4\div12\times7-8$=?
a) 66
b) 64
c) 62
d) 60
Question 3: If $‘+’ means ‘\times’, ‘-’ means ‘\div’, ‘\times’ means ‘-’, ‘\div’ means ‘+’$ $32+2\div4\times13-6$=?
a) 90
b) 80
c) 70
d) 60
Question 4: In the following question, correct the equation by interchanging two signs.
$12\div5\times5+6-5$
a) +,-
b) $\div,\times$
c) $\div,+$
d) $\div,-$
Instructions
Which of the following signs should be interchanged so that the given equation is true?
Question 5: $153\div51\times17+3-21 = 33$
a) $\times$ and +
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
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Question 6: $144+9\div19\times6-24 = 96$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
Instructions
Which of the following signs should be interchanged so that the given equation is true?
Question 7: $104\div13\times6-7+34 = 0$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
Question 8: $84\div6-7\times13 = 85$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
Question 9: $108-12\div19+6\times8 = 38$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
Question 10: $119\times17+15\div6-8 = 89$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
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Question 11: $92+23\div6\times3-2 = 20$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
Question 12: $102\times6+7\div14-12 = 103$
a) $\times$ and –
b) + and $\div$
c) $\times$ and $\div$
d) – and $\div$
Question 13: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $189-21\div112-7\times25$
a) 0
b) 7
c) 13
d) 2
Question 14: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $133-19+4\times78-13$
a) 16
b) 8
c) 22
d) 31
Question 15: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $63-3+2\times117-13$
a) 26
b) 21
c) 42
d) 33
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Question 16: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $91-7+2\times4+6$
a) 8
b) 2
c) 0
d) 12
Question 17: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $82-2+3\div51-17$
a) 134
b) 82
c) 98
d) 126
Question 18: In a certain code, 3 @ 4 & 2 = 5 and 8 @ 5 & 7=6, then 8 @ 6 & 14 = ?
a) 12
b) 6
c) 0
d) 1
Question 19: In a certain code, 35 # 7 % 2 = 10 and 24 # 8 % 3 = 9, then find the value of 16 # 2 % 4
a) 28
b) 32
c) 41
d) 16
Question 20: In a certain code, 3 $ 7 @ 6 = 27, 4 $ 5 @ 3 = 23, then 13 $ 3 @ 2 = ?
a) 39
b) 52
c) 41
d) 27
Question 21: Which of the following signs should be interchanged so that the given equation is true?
$14\times2+7-8\div2 = 25$
a) $\div$ and –
b) + and –
c) + and $\div$
d) $\times$ and +
Question 22: Which of the following signs should be interchanged so that the given equation is true?
$28-7+56\div7\times6 $= 18
a) $\div$ and –
b) $\times$ and +
c) + and –
d) + and $\div$
Question 23: Which of the following signs should be interchanged so that the given equation is true?
$33\div11-24+4\times3 = 15$
a) + and –
b) + and $\times$
c) $\times$ and $\div$
d) – and $\div$
Question 24: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $93-3+2\div14\times38$
a) 42
b) 18
c) 28
d) 38
Question 25: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $84-21+2\times6\div14$
a) 12
b) 26
c) 18
d) 16
Question 26: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $72-9+2\div86$
a) 107
b) 102
c) 96
d) 108
Question 27: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $29\times7\div24-8+2$
a) 24
b) 16
c) 32
d) 28
Question 28: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’, ‘$\div$’ means ‘+’, then find the value of $16-4+12\div7\times2$
a) 51
b) 67
c) 53
d) 29
Question 29: Which of the following signs should be interchanged so that the given equation is true?
$34-17+16\div2\times4 = 10$
a) $\times$ and +
b) $\div$ and –
c) + and $\times$
d) + and $\div$
Question 30: Which of the following signs should be interchanged so that the given equation is true?
$24+6\times3\div4-2 = 14$
a) $\times$ and +
b) $\div$ and –
c) + and $\times$
d) + and $\div$
Question 31: Which of the following signs should be interchanged so that the given equation is true?
$63-21+8\div2\times5 = 1$
a) $\div$ and $\times$
b) $\div$ and –
c) $\times$ and –
d) – and +
Question 32: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’-, ‘$\div$’ means ‘+’, then find the value of $64-16+2\times8-4\div2$
a) 6
b) 4
c) 8
d) 2
Question 33: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’-, ‘$\div$’ means ‘+’, then find the value of $54-9+2\div24-8$
a) 12
b) 24
c) 16
d) 15
Question 34: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’-, ‘$\div$’ means ‘+’, then find the value of $27-3+6\div5\times4-2$
a) 52
b) 57
c) 62
d) 73
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Question 35: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘-’-, ‘$\div$’ means ‘+’, then find the value of $69-23\div25+4-10$?
a) 11
b) 23
c) 13
d) 17
Question 36: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘+’, ‘$\div$’ means ‘-’. Then find the value of $34-17+2\times16\times20-5+4$
a) 32
b) 28
c) 24
d) 36
Question 37: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘+’, ‘$\div$’ means ‘-’. Then find the value of $63-3-21\times16-4+2$
a) 6
b) 7
c) 9
d) 11
Question 38: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘+’, ‘$\div$’ means ‘-’. Then find the value of $23\times25-5+2\div3$
a) 20
b) 25
c) 30
d) 35
Question 39: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘+’, ‘$\div$’ means ‘-’. Then find the value of $12\times4-2+8-4$
a) 10
b) 12
c) 16
d) 14
Question 40: If ‘+’ means ‘$\times$’, ‘-’ means ‘$\div$’, ‘$\times$’ means ‘+’, ‘$\div$’ means ‘-’. Then find the value of $16+4-2\times8\div4$
a) 32
b) 36
c) 24
d) 20
Answers & Solutions:
1) Answer (D)
By decoding it becomes as $33\div11-15+4\times7$=16
2) Answer (C)
By decoding it becomes as $72\div4-12+7\times8$=62
3) Answer (A)
By decoding it becomes as $32\div2-4+13\times6$=90
4) Answer (B)
By decoding we get $12\div5\times5+6-5$
Into $12\times5\div5+6-5$=13
So the option b is correct
5) Answer (A)
After interchanging + and $\times$, we get
$153\div51+17\times3-21 = 3+51-21 = 33$
6) Answer (B)
After interchanging + and $\div$, we get
$144\div9+19\times6-24 = 16+114-24 = 96$
7) Answer (A)
After interchanging $\times$ and -, we get
$104\div13-6\times7+34 = 8-42+34 = 0$
8) Answer (A)
After interchanging $\times$ and -, we get
$84\div6\times7-13 = 98-13 = 85$
9) Answer (D)
After interchanging $\div$ and -, we get
$108\div12-19+6\times8 = 9-19+48 = 38$
10) Answer (C)
After interchanging $\div$ and $\times$, we get
$119\div17+15\times6-8 = 7+90-8 = 89$
11) Answer (B)
After interchanging + and \div in the given equation, we get
$92\div23+6\times3-2 = 4+18-2 = 20$
12) Answer (C)
After interchanging $\times$ and $\div$ in the given equation, we get
$102\div6+7\times14-12$ = 17+98-12 = 103
13) Answer (A)
Decoding $189-21\div112-7\times25$, we get
$189\div21+112\div7-25 $= 9+16-25 = 0
14) Answer (C)
Decoding $133-19+4\times78-13$, we get
$133\div19\times4-78\div13 = 28-6 = 22$
15) Answer (D)
Decoding $63-3+2\times117-13$, we get
$63\div3\times2-117\div13 = 42-9 = 33$
16) Answer (B)
Decoding $91-7+2\times4+6$, we get
$91\div7\times2-4\times6 = 26-24 = 2$
17) Answer (D)
Decoding $82-2+3\div51-17$, we get
$82\div2\times3+51\div17 = 123+3 = 126$
18) Answer (C)
3+4-2 = 5
8+5-7 = 6.
Here, + is coded as @ and – is coded as &
Then, 8 @ 6 & 14 = 8+6-14 = 0
19) Answer (B)
$35\div7\times2 = 10$
$24\div8\times3 = 9$
Here, $\div$ is coded as # and $\times$ is coded as %.
Hence, $16\div2\times4 = 8\times4 = 32$
20) Answer (C)
$3\times7+6 = 27$
$4\times5+3 = 23$
Then, the code for $\times$ is ‘$’ and the code for + is ‘@’.
$\therefore$ 13 $ 3 @ 2 $= 13\times3+2 = 41$
21) Answer (B)
After interchanging – and + in the given equation, we get
$14\times2-7+8\div2 = 28-7+4 = 25$
22) Answer (A)
After interchanging $\div$ and – in the given equation, we get
$28\div7+56-7\times6 = 60-42 = 18$
23) Answer (A)
After interchanging + and – in the given equation, we get
$33\div11+24-4\times3 = 3+24-12 = 3+12 = 15$
24) Answer (D)
$93-3+2\div14\times38 = 93\div3\times2+14-38 = 62+14-38 = 38$
25) Answer (D)
$84-21+2\times6\div14 = 84\div21\times2-6+14 = 8-6+14 = 16$
26) Answer (B)
$72-9+2\div86 = 72\div9\times2+86 = 16+86 = 102$
27) Answer (D)
$29\times7\div24-8+2 = 29-7+24\div8\times2 = 22+6 = 28$
28) Answer (C)
$16-4+12\div7\times2 = 16\div4\times12+7-2$
$= 48+7-2 = 53$
29) Answer (B)
After interchanging $\div$ and -, $34\div17+16-2\times4 = 2+8 = 10$
30) Answer (D)
After interchanging + and $\div$, $24\div6\times3+4-2 = 12+2 = 14$
31) Answer (B)
Interchanging $\div$ and –
$63\div21+8-2\times5 = 3+20 = 23$
32) Answer (C)
$64-16+2\times8-4\div2 $= $64\div16\times2-8\div4+2$ = 8-2+2 = 8
33) Answer (D)
$54-9+2\div24-8$ = $54\div9\times2+24\div8 = 12+3 = 15$
34) Answer (B)
$27-3+6\div5\times4-2 = 27\div3\times6+5-4\div2 = 54+3 = 57$
35) Answer (C)
$69-23\div25+4-10 = 69\div23+25\times4\div10$
$= 3+10 = 13$
36) Answer (D)
$34-17+2\times16\times20-5+4 = 34\div17\times2+16+20\div5\times4 = 4+16+16 = 36$
37) Answer (C)
$63-3-21\times16-4+2 = 63\div3\div21+16\div4\times2$
$= 1+\frac{16}{4}\times2 = 1+8 = 9$
38) Answer (C)
$23\times25-5+2\div3 = 23+25\div5\times2-3 = 23+10-3 = 30$
39) Answer (C)
$12\times4-2+8-4 = 12+4\div2\times8\div4 = 12+4 = 16$
40) Answer (B)
$16+4-2\times8\div4 = 16\times4\div2+8-4$
$= 32+8-4 = 40-4 = 36$
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