Rules
(i) (2-digit even number) ÷ ( Even number)
(ii) (Even number) x (Prime number)
(iii) (Odd number) + (Odd number)
(iv) (3-digit number) - (2-digit perfect square number)
(v) (3-digit number) ÷ (2-digit non-perfect square number)
Solution
1st Row 16 7 25 ? 16 x 7 = 112 [rule (ii)]
? 112 - 25 = 87 = m [rule (iv)]
2nd Row m 23 22 ? 87 23 22
? 87 + 23 = 110 [rule (iii)]
? 110 ÷ 22 = 5 [rule (v)]
? Resultant of second row = 5
Rules
(i) (2-digit odd number) + (2-digit odd number)
(ii) 2-digit even number ? 2-digit perfect square odd number then, (odd number) - (Even number)
(iii) (3-digit number) ÷ (2-digit number)
(iv) (Prime number) + (Even number)
(v) (Even number) x (Even number)
Solution:
1st Row 12 28 84 ? 12 x 28 = 336 [rule (v)]
? 336 ÷ 84 = 4 [rule (iii)]
2nd Row 37 22 18 ? 37 + 22 = 59 [rule (iv)]
? 59 + 18 = 77 [rule (iv)]
? Required sum = 4 + 77 = 81
Rules
(i) (2-digit odd number) + (2-digit odd number)
(ii) 2-digit even number ? 2-digit perfect square odd number then, (odd number) - (Even number)
(iii) (3-digit number) ÷ (2-digit number)
(iv) (Prime number) + (Even number)
(v) (Even number) x (Even number)
Solution:
2nd Row 45 17 81 ? 45 + 17 = 62 [rule (i)]
? 81 - 62 = 19 [rule (ii)]
1st Row 345 23 X ? 345 23 19
? 345 ÷ 23 = 15 [rule (iii)]
? 345 ÷ 15 + 19 [rule (i)]
? Resultant of first row = 34
Rules
(i) (2-digit odd number) + (2-digit odd number)
(ii) 2-digit even number ? 2-digit perfect square odd number then, (odd number) - (Even number)
(iii) (3-digit number) ÷ (2-digit number)
(iv) (Prime number) + (Even number)
(v) (Even number) x (Even number)
Solution:
1st Row 16 8 32 ? 16 x B = 128 [rule (v)]
? 128 ÷ 32 = 4 [rule (iii)]
X
2nd Row 132 11 X2 ? 132 11 16
? 132 ÷ 11 = 12 [rule (iii)]
? 12 x 16 = 192 [rule (v)]
? Resultant of second row = 192
Rules
(i) (2-digit odd number) + (2-digit odd number)
(ii) 2-digit even number ? 2-digit perfect square odd number then, (odd number) - (Even number)
(iii) (3-digit number) ÷ (2-digit number)
(iv) (Prime number) + (Even number)
(v) (Even number) x (Even number)
Solution:
1st Row 37 12 21 ? 37 + 12 = 49 [rule (iv)]
? 49 + 21 = 70 [rule (i)]
2nd Row 38 81 14 ? 81 - 38 = 43 [rule (ii)]
? 43 + 14 = 57 [rule (iv)]
? Required difference = 70 - 57 = 13
Rules
(i) (2-digit odd number) + (2-digit odd number)
(ii) 2-digit even number ? 2-digit perfect square odd number then, (odd number) - (Even number)
(iii) (3-digit number) ÷ (2-digit number)
(iv) (Prime number) + (Even number)
(v) (Even number) x (Even number)
Solution:
1st Row 23 15 12 ? 23 + 15 = 38
[rule (i)] ? 38 x 12 = 456 [rule (v)]
2nd Row X 24 49 ? 456 24 49
? 456 ÷ 24 = 19 [rule (iii)] ? 19 + 49 = 68 [rule (i)]
? Resultant of second row = 68
Rules
(i) (2-digit even number) ÷ ( Even number)
(ii) (Even number) x (Prime number)
(iii) (Odd number) + (Odd number)
(iv) (3-digit number) - (2-digit perfect square number)
(v) (3-digit number) ÷ (2-digit non-perfect square number)
Solution
1st Row 97 45 71 ? 97 + 45 = 142 [rule (iii)]
? 142 ÷ 71 = 2 [rule (v)]
2nd Row 48 8 11 ? 48 ÷ 8 = 6 [rule (i)]
? 6 x 11 = 66 [rule (ii)]
? Required sum = 2 + 66 = 68
Rules
(i) (2-digit even number) ÷ ( Even number)
(ii) (Even number) x (Prime number)
(iii) (Odd number) + (Odd number)
(iv) (3-digit number) - (2-digit perfect square number)
(v) (3-digit number) ÷ (2-digit non-perfect square number)
Solution
1st Row 125 64 33 ? 125 - 64 = 61 [rule (iv)]
? 61 + 33 = 94 [rule (iii)]
= x
2nd Row 282 x 39 ? 282 94 39
? 282 ÷ 94 = 3 [rule (v)]
? 3 + 39 = 42 [rule (iii)]
? Resultant of second row = 42
Rules
(i) (2-digit even number) ÷ ( Even number)
(ii) (Even number) x (Prime number)
(iii) (Odd number) + (Odd number)
(iv) (3-digit number) - (2-digit perfect square number)
(v) (3-digit number) ÷ (2-digit non-perfect square number)
Solution
1st Row 24 7 81 ? 24 x 7 = 168 [rule (ii)]
? 168 - 81 = 87 [rule (iv)]
= x
2nd Row x 27 19 ? 87 27 19
? 87 + 27 = 114 [rule (iii)]
? 114 ÷ 19 = 6 [rule (v)]
? Resultant of second row = 6
After replacing all the symbol from question.
44 x 9 ÷ 12 - 6 x 4 + 16 = ?
Apply BODMAS rule,
? 44 x 9 x 1/12 - 24 + 16 = ?
? 33 - 24 + 16 = ?
? 49 - 24 = ?
? ? = 25
Apply All option one by one
5 + 3 x 8 - 12 ÷ 4 = 3
Now, after changing the sign for option C
5 + 3 x 8 ÷ 12 - 4 = 3
Apply the BODMAS Rule
5 + 3 x 8/12 - 4 = 3
5 + 2 - 4 = 3
3 = 3
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