In each of the following questions,
simple mathematical operations like addition, substraction, multiplication and division are given,
you are required to solve the question as per direction and Choose the correct alternative out of the others.
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1. |
If '+' means 'divided by', '−' means 'multiplied by', '×' means 'minus' and '÷' means 'plus', which
of the following will be the value of the expression
16 ÷ 8 − 4 + 2 × 4 ?
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A.
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16
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B.
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32
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C.
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42 |
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D.
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28
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View Answer
First, put all the signs in the given expression, we get
16 + 8 × 4 ÷ 2 − 4
=16 + 8 × 2 − 4
=16 + 16 − 4
=32 − 4
=28
Hence, option (D) is the correct answer.
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2. |
If 'A' means 'plus', 'B;' means 'minus', 'C' means 'divide by' and 'D' means 'multiplied by', then
18 A 12 C 6 D 2 B 5 = ?
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A.
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47
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B.
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7
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C.
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17 |
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D.
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27
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View Answer
Putting the proper signs into the expression, we get:
18 + 12 ÷ 6 × 2 − 5
= 18 + 2 × 2 − 5
= 18 + 4 − 5
= 22 − 5
= 17
Hence, option (C) is the correct answer.
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3. |
If '×' means '−', '÷' means '+', '+' means '÷' and '−' means '×', which
of the following expression is correct?
| (a) 15 − 5 ÷ 5 × 20 + 10 = 6 |
(b) 8 ÷ 10 − 3 + 5 × 6 = 8 |
| (c) 6 × 2 + 3 ÷ 12 − 3 = 15 |
(d) 3 ÷ 7 − 5 × 10 + 3 = 10 |
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A.
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(a)
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B.
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(b)
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C.
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(c) |
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D.
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(d)
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View Answer
Putting all signs into the expression we get
(a) = 15 × 5 + 5 − 20 ÷ 10
= 15 × 5 + 5 − 2
= 75 + 5 − 2
= 78
(b) = 8 + 10 × 3 ÷ 5 − 6
= 8 + 10 × 3/5 − 6
= 8 + 6 − 6
= 8
(c) = 6 − 2 ÷ 3 + 12 × 3
= 6 − 2/3 + 36
= 42 − 2/3
= 124/3
(d) = 3 + 7 × 5 − 10 ÷ 3
= 3 + 7 × 5 − 10/3
= 3 + 35 − 10/3
= 104/3
Hence, option (B) is the correct answer.
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4. |
If '×' stands for 'addition', '÷' stands for 'substraction', '+' stands for 'multiplication' and '−'
stands for 'division', what will be
the value of the expression
20 × 8 ÷ 8 − 4 + 2 = ?
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A.
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24
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B.
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14
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C.
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34 |
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D.
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None of these
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View Answer
Putting the signs in the expression, we get:
= 20 × 8 ÷ 8 − 4 + 2
= 20 + 8 − 2 × 2
= 20 + 8 − 4
= 24
Option (A) is the correct answer.
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5. |
If x stands for 'add', y stands for 'subtract', z stands for 'divide' and p stands for 'multiply', then what is the
value of (7 p 3 ) y 6 x 5
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A.
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30
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B.
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20
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C.
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10 |
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D.
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30
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View Answer
putting the signs into the expression, we get:
= 7 × 3 − 6 + 5
= 21 − 6 + 5
= 20
Option (B) is the correct answer.
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6. |
If A stands for +, B stands for −, C stands for ×, then what is the value of
(10 C 4) A (4 C 4) B 6
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A.
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50
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B.
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40
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C.
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60 |
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D.
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None of these
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View Answer
Putting the codes into the expression, we get:
( 10 × 4) + (4 × 4) − 6
= 40 + 16 − 6
= 50
Option (A) is the correct answer.
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7. |
If + means ×, ÷ means −, × means ÷ and − means +, what will be the value of
4 + 11 ÷ 5 − 55 = ?
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A.
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64
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B.
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93
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C.
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84 |
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D.
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None of these
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View Answer
Putting signs into the expression, we get:
= 4 × 11 ÷ 5 − 55
= 44 − 5 + 55
= 94
Hence, option
(D) is the correct answer.
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8. |
If × stands for 'addition', < for 'substraction', + for 'division', > for multiplication, − for 'equal to',
÷ for 'greater than' and = for 'less than' state which o the following is true?
| (a) 3 × 2 < 4 ÷ 16 > 2 + 4 |
(b) 5 > 2 + 2 = 10 < 4 × 8 |
| (c) 3 × 4 > 2 − 9 + 3 < 3 |
(d) 5 × 3 < 7 ÷ 8 + 4 × 1 |
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A.
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(a)
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B.
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(b)
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C.
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(c) |
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D.
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(d)
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View Answer
Putting the values into the expression, we get:
= 5 × 2 ÷ 2 < 10 − 4 + 8
= 5 < 14, It is true
Hence, option (B) is the
correct answer.
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9. |
If × means +, ÷ means −, − means × and + means ÷, then
8 × 7 − 8 + 40 ÷ 2 = ?
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A.
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37/5
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B.
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1
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C.
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29 |
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D.
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None of these
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View Answer
Putting the signs into the expression, we get:
= 8 + 7 × 8 ÷ 40 − 2
= 8 + 7 × 1/5 − 2
= 8 + 7/5 − 2
= 37/5
Hence, option (A) is the
correct answer.
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10. |
In this question, different alphabets stand for various symbols as indicated below:
| Addition: O |
Substraction: M |
Multiplication: A |
| Division: Q |
Equal to : X |
Greater than : Y |
| Less than : Z |
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Which one of the four alternatives is correct after using the above letter symbols into them.
| (a) 10 X 2 O 2 A 4 O 1 M 2 |
(b) 8 Y 2 A 3 A 4 Q 2 A 4 |
| (c) 2 Z 2 A 4 O 1 A 4 M 8 |
(d) 12 X 4 O 2 Q 1 A 4 A 2 |
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A.
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(a)
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B.
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(b)
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C.
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(c) |
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D.
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(d)
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View Answer
Putting the signs into the expression, we get:
= 2 < 2 × 4 + 1 × 4 − 8
= 2 < 4, It is true.
Hence, option (C) is the
correct answer.
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