symbol substitution Detailed Explanation And More Example

MOST IMPORTANT verbal reasoning - 2 EXERCISES

Top 10,000+ Verbal Memory Based Exercises

The following question based on mathematical operations topic of verbal reasoning

Questions : If & means +, # means -, @ means x and * means ÷, then what is the value of 16 & 4 @ 5 # 72 * 8 ?

(a) 25

(b) 27

(c) 29

(d) 36

e) None of these

The correct answers to the above question in:

Answer: (b)

Using the correct symbols,

we have: Given expression

= 16 + 4 x 5 - 72 ÷ 8

= 16+ 20 - 9

= 36 –9 = 27.

Practice mathematical operations (symbol substitution) Online Quiz

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Read more symbol substitution problems Based Verbal Reasoning Questions and Answers

Question : 1

If + means -, - means x, ÷ means + and x means ÷, then 15 - 3 + 10 x 5 ÷ 5 = ?

a) 5

b) 22

c) 48

d) 52

Answer: (c)

Using the correct symbols,

we have: Given expression

= 15 x 3- 10 ÷ 5 + 5 (using VBODMAS rule)

= 45 - 2 + 5

= 50 - 2 = 48.

Question : 2

If x means ÷, - means x, ÷ means + and + means -, then (3 - 15 ÷ 19) x 8 +6 =?

a) -1

b) 2

c) 4

d) 8

Answer: (b)

Using the correct symbols,

we have: Given expression

= (3 x 15 + 19) ÷ 8 - 6 

= 64 ÷ 8 - 6

= 8 - 6 = 2.

Directions:

If > denotes +, < denotes -, + denotes ÷, ^ denotes ×, - denotes =, × denotes > and = denotes < , choose the correct statement in each of the following questions.

[B.T.M. 2005]

Question : 3

Convert the signs according to the given direction and find the result of the expression?

a) 6 + 3 > 8 = 4 + 2 < 1

b) 4 > 6 + 2 x 32 + 4 < 1

c) 8 < 4 + 2 = 6 > 3

d) 14 + 7 > 3 = 6 + 3 > 2

Answer: (c)

Using the proper notations in (c),

we get the statement as:

8 - 4 ÷ 2 < 6 + 3 or 6 < 9,

which is true.

Question : 4

If ‘<’ means 'minus', ‘>' means ‘plus', '=’ means 'multiplied by' and '#' means 'divided by’, then what would be the value of 27 > 81 # 9 <6?

a) 6

b) 33

c) 36

d) 54

e) None of these

Answer: (e)

Using the correct symbols,

we have: Given expression as

= 27+ 81 ÷ 9 – 6

= 27 + 9 - 6

= 36 - 6 = 30.

Question : 5

If ‘-‘ stands for 'addition', '÷’  for 'multiplication', ‘×’ for 'subtraction' and ‘+' for 'division', then which of the following is correct?

a) 25 × 12 - 14 ÷ 4 + 6 = 16

b) 25 – 12 + 14 ÷ 2 × 4 = 15

c) 25 – 15 + 5 ÷ 4 × 16 = 21

d) 25 + 11 – 4 ÷ 10 × 6 = 20

Answer: (c)

From option (c),

25 + 15 ÷ 5 × 4 - 16 = 21 (using VBODMAS rule)

⇒ 25 + 3 × 4 - 16 = 21

⇒ 25 + 12 - 16 = 21

⇒ 37 - 16 = 21

⇒ 21 = 21

LHS = RHS

So, option (c) is correct.

Question : 6

If '×' stands for '+', ÷ stands for '-', '-' stands for '×' and '+' stands for '÷', then find the value of following equation. 54 ÷ 16 - 3 × 6 + 2 = ?

a) 9

b) 12

c) 8

d) 15

Answer: (a)

According to the question,

? = 54 ÷ 16 - 3 × 6 + 2

from the question by changing the symbols, we get

=  54 - 16 × 3 + 6 ÷ 2 (using VBODMAS rule)

= 54 - 16 × 3 + 3

= 54 - 48 + 3

= 6 + 3 = 9

GET mathematical operations PRACTICE TEST EXERCISES

symbol substitution

balancing the equations

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