Equation Insert MCQ Quiz - Objective Question with Answer for Equation Insert - Download Free PDF
Last updated on Jun 8, 2025
Latest Equation Insert MCQ Objective Questions
Equation Insert Question 1:
Select the appropriate set of sequence of mathematical operators to replace all '*' sign in the following equation and hence to balance
11∗3∗7∗40
Answer (Detailed Solution Below)
Equation Insert Question 1 Detailed Solution
Given: 11∗3∗7∗40
According to the question, after interchanging the signs:
Option 1) + × =
11∗3∗7∗40 ⇒ 11 + 3 × 7 = 40
⇒ 11 + 3 × 7 = 40
⇒ 11 + 21 = 40
⇒ 32 ≠ 40 (LHS ≠ RHS)
Option 2) − + =
11∗3∗7∗40 ⇒ 11 - 3 + 7 = 40
⇒ 11 + 7 - 3 = 40
⇒ 18 - 3 = 40
⇒ 15 ≠ 40 (LHS ≠ RHS)
Option 3) − × =
11∗3∗7∗40 ⇒ 11 - 3 × 7 = 40
⇒ 11 - 3 × 7 = 40
⇒ 11 - 21 = 40
⇒ -10 ≠ 40 (LHS ≠ RHS)
Option 4) × + =
11∗3∗7∗40 ⇒ 11 × 3 + 7 = 40
⇒ 11 × 3 + 7 = 40
⇒ 33 + 7 = 40
⇒ 40 = 40 (LHS = RHS)
Hence, "Option 4" is the correct answer.
Equation Insert Question 2:
Select the appropriate set of sequence of mathematical operators to replace all '*' sign in the following equation and hence to balance
Answer (Detailed Solution Below)
Equation Insert Question 2 Detailed Solution
Given: 81∗3∗7∗20
According to the question, after replacing the signs:
Option 1) +, ×, =
81∗3∗7∗20 ⇒ 81 + 3 × 7 = 20
⇒ 81 + 3 × 7 = 20
⇒ 81 + 21 = 20
⇒ 102 ≠ 20 (LHS ≠ RHS)
Option 2) −, ×, =
81∗3∗7∗20 ⇒ 81 - 3 × 7 = 20
⇒ 81 - 3 × 7 = 20
⇒ 81 - 21 = 20
⇒ 60 ≠ 20 (LHS ≠ RHS)
Option 3) ×, +, =
81∗3∗7∗20 ⇒ 81 × 3 + 7 = 20
⇒ 81 × 3 + 7 = 20
⇒ 243 + 7 = 20
⇒ 250 ≠ 20 (LHS ≠ RHS)
Option 4) ÷, −, =
81∗3∗7∗20 ⇒ 81 ÷ 3 - 7 = 20
⇒ 81 ÷ 3 - 7 = 20
⇒ 27 - 7 = 20
⇒ 20 = 20 (LHS = RHS)
Hence, "Option 4" is the correct answer.
Equation Insert Question 3:
Select the appropriate set of sequence of mathematical operators to replace all * sign in the following equation and hence to balance it.
24 * 4 * 3 * 3
Answer (Detailed Solution Below)
Equation Insert Question 3 Detailed Solution
Given: 24 * 4 * 3 * 3
According to the question, after replacing the signs:
Option 1) ÷ - =
24 * 4 * 3 * 3 ⇒ 24 ÷ 4 - 3 = 3
⇒ 24 ÷ 4 - 3 = 3
⇒ 6 - 3 = 3
⇒ 3 = 3 (LHS = RHS)
Option 2) × + =
24 * 4 * 3 * 3 ⇒ 24 × 4 + 3 = 3
⇒ 24 × 4 + 3 = 3
⇒ 96 + 3 = 3
⇒ 99 ≠ 3 (LHS ≠ RHS)
Option 3) - × =
24 * 4 * 3 * 3 ⇒ 24 - 4 × 3 = 3
⇒ 24 - 4 × 3 = 3
⇒ 24 - 12 = 3
⇒ 12 ≠ 3 (LHS ≠ RHS)
Option 4) + × =
24 * 4 * 3 * 3 ⇒ 24 + 4 × 3 = 3
⇒ 24 + 4 × 3 = 3
⇒ 24 + 12 = 3
⇒ 36 ≠ 3 (LHS ≠ RHS)
Hence, "Option 1" is the correct answer.
Equation Insert Question 4:
Which of the following sets of signs should be used to replace * in the following?
5 * 5 * 6 = 350 * 10 * 4
Answer (Detailed Solution Below)
Equation Insert Question 4 Detailed Solution
Given: 5 * 5 * 6 = 350 * 10 * 4
So, according to the question, after replacing the signs:
Option 1) + × ÷ -
5 * 5 * 6 = 350 * 10 * 4 ⇒ 5 + 5 × 6 = 350 ÷ 10 - 4
⇒ 5 + 5 × 6 = 350 ÷ 10 - 4
⇒ 5 + 30 = 35 - 4
⇒ 35 ≠ 31 (LHS ≠ RHS)
Option 2) × - ÷ +
5 * 5 * 6 = 350 * 10 * 4 ⇒ 5 × 5 - 6 = 350 ÷ 10 + 4
⇒ 5 × 5 - 6 = 350 ÷ 10 + 4
⇒ 25 - 6 = 35 + 4
⇒ 19 ≠ 39 (LHS ≠ RHS)
Option 3) + × × +
5 * 5 * 6 = 350 * 10 * 4 ⇒ 5 + 5 × 6 = 350 × 10 + 4
⇒ 5 + 5 × 6 = 350 × 10 + 4
⇒ 5 + 30 = 3500 + 4
⇒ 35 ≠ 3504 (LHS ≠ RHS)
Option 4) × + ÷ -
5 * 5 * 6 = 350 * 10 * 4 ⇒ 5 × 5 + 6 = 350 ÷ 10 - 4
⇒ 5 × 5 + 6 = 350 ÷ 10 - 4
⇒ 25 + 6 = 35 - 4
⇒ 31 = 31 (LHS = RHS)
Hence, "Option 4" is the correct.
Equation Insert Question 5:
Select the appropriate set of sequence of mathematical operators to replace all * sign in the following equation and hence to balance it.
46 * 9 * 3 * 19
Answer (Detailed Solution Below)
Equation Insert Question 5 Detailed Solution
Given: 46 * 9 * 3 * 19
According to the question, after interchanging the signs:
Option 1) + × =
46 * 9 * 3 * 19 ⇒ 46 + 9 × 3 = 19
⇒ 46 + 9 × 3 = 19
⇒ 46 + 27 = 19
⇒ 73 ≠ 19 (LHS ≠ RHS)
Option 2) × + =
46 * 9 * 3 * 19 ⇒ 46 × 9 + 3 = 19
⇒ 46 × 9 + 3 = 19
⇒ 414 + 3 = 19
⇒ 417 ≠ 19 (LHS ≠ RHS)
Option 3) - ÷ =
46 * 9 * 3 * 19 ⇒ 46 - 9 ÷ 3 = 19
⇒ 46 - 9 ÷ 3 = 19
⇒ 46 - 3 = 19
⇒ 43 ≠ 19 (LHS ≠ RHS)
Option 4) - × =
46 * 9 * 3 * 19 ⇒ 46 - 9 × 3 = 19
⇒ 46 - 9 × 3 = 19
⇒ 46 - 27 = 19
⇒ 19 = 19 (LHS = RHS)
Hence, "Option 4" is the correct answer.
Top Equation Insert MCQ Objective Questions
If ‘+’ becomes ‘÷’ and ‘×’ becomes ‘+’ then what will be the value of {(36 + 6) + 6} × 12?
Answer (Detailed Solution Below)
Equation Insert Question 6 Detailed Solution
Download Solution PDF|
Symbol |
+ |
× |
|
Meaning |
÷ |
+ |
Given expression: {(36 + 6) + 6} × 12
After changing the symbols:
{(36 ÷ 6) ÷ 6} + 12
= {6 ÷ 6} + 12
= 1 + 12 = 13
Hence, “13” is the correct answer.
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
76 * 34 * 23 * 12 * 6 * 21
Answer (Detailed Solution Below)
Equation Insert Question 7 Detailed Solution
Download Solution PDF1. +, -, +, ÷, =
76 + 34 - 23 + 12 ÷ 6 = 21
⇒ 76 + 34 - 23 + 2 = 21
⇒ 112 - 23 = 21
⇒ 89 ≠ 21
2. -, -, +, +, =
76 - 34 - 23 + 12 + 6 = 21
⇒ 94 - 34 - 23 = 21
⇒ 94 - 57 = 21
⇒ 37 ≠ 21
3. ×, -, +, ÷, =
76 × 34 - 23 + 12 ÷ 6 = 21
⇒ 2584 - 23 + 2 = 21
⇒ 2586 - 23 = 21
⇒ 2563 ≠ 21
4. -, -, +, ÷, =
76 - 34 - 23 + 12 ÷ 6 = 21
⇒ 76 - 34 - 23 + 2 = 21
⇒ 78 - 34 - 23 = 21
⇒ 78 - 57 = 21
⇒ 21 = 21
Hence, '-, -, +, ÷, =' is the correct answer.
By interchanging which two signs the equation will be correct?
19 + 63 ÷ 7 – 8 × 12 = 79Answer (Detailed Solution Below)
Equation Insert Question 8 Detailed Solution
Download Solution PDFGiven equation:- 19 + 63 ÷ 7 – 8 × 12 = 79
By interchanging two signs,
1) × and ÷
19 + 63 × 7 – 8 ÷ 12 = 79
19 + 441 – 0.67 = 79
460 – 0.67 = 79
459.33 = 79
2) – and ×
19 + 63 ÷ 7 × 8 - 12 = 79
19 + 9 × 8 – 12 = 79
19 + 72 – 12 = 79
91 – 12 = 79
79 = 79
Here, option 2 is true so no need to check the remaining option.
Thus, the correct answer is “- and ×”.Select the correct combination of mathematical signs to replace the * signs and balance the given equation.
Answer (Detailed Solution Below)
Equation Insert Question 9 Detailed Solution
Download Solution PDFGiven : 21 * 4 * 156 * 13 * 11 = 83
According to the question, after replacing the * signs:
So,
- Option - (1) : −, ÷, ×, +
21 - 4 ÷ 156 × 13 + 11 = 83
21 - 0.02 × 13 + 11 = 83
21 + 11 - 0.26 = 83
32 - 0.26 = 83
31.74 ≠ 83 (LHS ≠ RHS)
- Option - (2) : ×, +, ÷, −
21 × 4 + 156 ÷ 13 - 11 = 83
21 × 4 + 12 - 11 = 83
84 + 12 - 11 = 83
96 - 11 = 83
85 ≠ 83 (LHS ≠ RHS)
- Option - (3) : ×, −, ÷, +
21 × 4 - 156 ÷ 13 + 11 = 83
21 × 4 - 12 + 11 = 83
84 + 11 - 12 = 83
95 - 12 = 83
83 = 83 ( LHS = RHS)
- Option - (4) : +, ÷, −, ×
21 + 4 ÷ 156 - 13 × 11 = 83
21 + 0.02 - 13 × 11 = 83
21 + 0.02 - 143 = 83
21.02 - 143 = 83
- 121.98 ≠ 83 (LHS ≠ RHS)
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
16 * 3 * 2 * 11 * 9 = 22
Answer (Detailed Solution Below)
Equation Insert Question 10 Detailed Solution
Download Solution PDFThe pattern followed here is:
We have to put the mathematical signs to sequentially replace the * signs and balance the given equation.
Let's check each option one by one.
Option 1) × ÷ + -
Given: 16 * 3 * 2 * 11 * 9 = 22
⇒ 16 × 3 ÷ 2 + 11 - 9 = 22
⇒ 16 × 1.5 + 11 - 9 = 22
⇒ 24 + 11 - 9 = 22
⇒ 35 - 9 = 22
⇒ 26 ≠ 22
⇒ LHS ≠ RHS
Option 2) × ÷ − +
Given: 16 * 3 * 2 * 11 * 9 = 22
⇒ 16 × 3 ÷ 2 - 11 + 9 = 22
⇒ 16 × 1.5 - 11 + 9 = 22
⇒ 24 - 11 + 9 = 22
⇒ 33 - 11 = 22
⇒ 22 = 22
⇒ LHS = RHS
Option 3) ÷ × + +
Given: 16 * 3 * 2 * 11 * 9 = 22
⇒ 16 ÷ 3 × 2 + 11 + 9 = 22
⇒ 5.33 × 2 + 11 + 9 = 22
⇒ 10.6 + 11 + 9 = 22
⇒ 30.6 ≠ 22
⇒ LHS ≠ RHS
Option 4) ÷ + × ÷
Given: 16 * 3 * 2 * 11 * 9 = 22
⇒ 16 ÷ 3 + 2 × 11 ÷ 9 = 22
⇒ 5.33 + 2 × 1.22 = 22
⇒ 5.33 + 2.44 = 22
⇒ 7.77 ≠ 22
⇒ LHS ≠ RHS
Hence, the correct answer is "Option 2".
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
256 * 4 * 9 * 3 * 14 = 51
Answer (Detailed Solution Below)
Equation Insert Question 11 Detailed Solution
Download Solution PDF1. × + − ÷
256 × 4 + 9 - 3 ÷ 14 = 51
⇒ 1024 + 9 - 0.21 = 51
⇒ 1033 - 0.21 = 51
⇒ 1032.79 ≠ 51
2. ÷ × − +
256 ÷ 4 × 9 - 3 + 14 = 51
⇒ 64 × 9 - 3 + 14 = 51
⇒ 576 - 3 + 14 = 51
⇒ 590 - 3 = 51
⇒ 587 ≠ 51
3. × ÷ + −
256 × 4 ÷ 9 + 3 - 14 = 51
⇒ 256 × 0.45 + 3 - 14 = 51
⇒ 115.2 + 3 - 14 = 51
⇒ 118.2 - 14 = 51
⇒ 104.2 ≠ 51
4. ÷ − × +
256 ÷ 4 - 9 × 3 + 14 = 51
⇒ 64 - 27 + 14 = 51
⇒ 78 - 27 = 51
⇒ 51 = 51
Hence, '÷ − × +' is the correct answer.
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
234 * 345 * 456 * 567 * 678 * 12
Answer (Detailed Solution Below)
Equation Insert Question 12 Detailed Solution
Download Solution PDFGiven : 234 * 345 * 456 * 567 * 678 * 12
Checking all the options one by one by BODMAS rule we get,
1. -, +, +, -, =
234 - 345 + 456 + 567 - 678 = 12
1257 - 333 = 12
924 ≠ 12
2. ÷, -, +, -, =
234 ÷ 345 - 456 + 567 - 678 = 12
0.67 - 456 + 567 - 678 = 12
567.67 - 456 - 678 = 12
566.33 ≠ 12
3.+, ×, +, -, =
234 + 345 × 456 + 567 - 678 = 12
234 +157320 + 567 - 678 = 12
158121 - 678 = 12
157443 ≠ 12
4. +, -, +, -, =
234 + 345 - 456 + 567 - 678 = 12
1146 - 456 - 678 = 12
1146 - 1134 = 12
12 = 12
Hence, "Option 4" is the correct answer.
If 7Ω6 = 90 , 8Ω7 = 118 and 8Ω4 = 85, then find the value of 3Ω4.
Answer (Detailed Solution Below)
Equation Insert Question 13 Detailed Solution
Download Solution PDFThe pattern followed here is,
72 + 62 = 49 + 36 = 85; 85 + 5 = 90
82 + 72 = 64 + 49 = 113; 113 + 5 = 118
82 + 42 = 64 + 16 = 80 ; 80 + 5 = 85
Similarly,
32 + 42 = 9 + 16 = 25; 25 + 5 = 30
Hence, 30 is the correct answer.Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
50 * 25 * 10 * 2 * 175
Answer (Detailed Solution Below)
Equation Insert Question 14 Detailed Solution
Download Solution PDFThe pattern followed here is:
We have to replace the mathematical signs to sequentially replace the * signs to balance the given equation.
Let's check each option one by one.
Option 1) +, ÷, ×, =
Given: 50 * 25 * 10 * 2 * 175
After putting the mathematical sign we get the;
⇒ 50 + 25 ÷ 10 × 2 = 175
⇒ 50 + 2.5 × 2 = 175
⇒ 50 + 5 = 175
⇒ 55 ≠ 175
⇒ LHS ≠ RHS
Option 2) −, ×, ÷, =
Given: 50 * 25 * 10 * 2 * 175
After putting the mathematical sign we get the;
⇒ 50 - 25 × 10 ÷ 2 = 175
⇒ 50 - 25 × 5 = 175
⇒ 50 - 125 = 175
⇒ - 75 ≠ 175
⇒ LHS ≠ RHS
Option 3) −, ×, +, =
Given: 50 * 25 * 10 * 2 * 175
After putting the mathematical sign we get the;
⇒ 50 - 25 × 10 + 2 = 175
⇒ 50 - 250 + 2 = 175
⇒ 52 - 250 = 175
⇒ - 198 ≠ 175
⇒ LHS ≠ RHS
Option 4) +, ×, ÷, =
Given: 50 * 25 * 10 * 2 * 175
After putting the mathematical sign we get the;
⇒ 50 + 25 × 10 ÷ 2 = 175
⇒ 50 + 25 × 5 = 175
⇒ 50 + 125 = 175
⇒ 175 = 175
⇒ LHS = RHS
Hence, the correct answer is "Option 4".
Select the correct combination of mathematical signs to sequentially replace the *signs and balance the given equation.
65 * 45 * 25 * 5 * 35 * 60
Answer (Detailed Solution Below)
Equation Insert Question 15 Detailed Solution
Download Solution PDFGiven : 65 * 45 * 25 * 5 * 35 * 60
According to the question, by replacing the *signs :
So,
- Option - (1) : -, +, -, +, =
65 - 45 + 25 - 5 + 35 = 60
65 + 25 + 35 - 45 - 5 = 60
125 - 45 - 5 = 60
75 ≠ 60 (LHS ≠ RHS)
- Option - (2) : +, ×, +, -, =
65 + 45 × 25 + 5 - 35 = 60
65 + 1125 + 5 - 35 = 60
1195 - 35 = 60
1160 ≠ 60 (LHS ≠ RHS)
- Option - (3) : +, -, +, -, =
65 + 45 - 25 + 5 - 35 = 60
110 - 25 + 5 - 35 = 60
55 ≠ 60 (LHS ≠ RHS)
- Option - (4) : -, +, ÷, +, =
65 - 45 + 25 ÷ 5 + 35 = 60
65 + 5 + 35 - 45 = 60
105 - 45 = 60
60 = 60 (LHS = RHS)
Hence, "Option - (4)" is the correct answer.