symbol substitution Detailed Explanation And More Example
MOST IMPORTANT verbal reasoning - 2 EXERCISES
The following question based on mathematical operations topic of verbal reasoning
(a) 9
(b) 16
(c) 13
(d) 75
e) None of these
The correct answers to the above question in:
Answer: (a)
According to the question,
? = 4 D 16 A 5 B 8 C 5
from the question by changing the symbols, we get
= 4 + 16 × 5 ÷ 8 - 5 (using VBODMAS rule)
= 4 + 16 × 0.625 - 5
= 4 + 10 - 5
= 14 - 5 = 9
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Question : 1
If A means ‘-', B means '÷', C means ‘+' and D means '×', then 15 B 3 C 24 A 12 D 2 = ?
a) 3
b) 5
c) 7
d) 9
e) None of these
Answer »Answer: (b)
According to the question,
? = 15 B 3 C 24 A 12 D 2
from the question by changing the symbols, we get
= 15 ÷ 3 +24 - 12 × 2 (using VBODMAS rule)
= 5 + 24 -12 × 2
= 5+ 24 - 24 = 5
Question : 2
If '+’ means subtraction, ‘÷’ means addition, ‘-‘ means multiplication and '×' means division, then which of the following equation is correct?
a) 8 ÷ 44 – 5 + 25 = 203
b) 9 ÷ 64 - 2 × 6 = 54
c) 56 + 12 × 34 – 12 = 102
d) 112 × 44 – 12 + 10 = 46
Answer »Answer: (a)
8 ÷ 44 - 5 + 25 = 203
from the question by changing the symbols, we get
⇒ 8 + 44 × 5 - 25 = 203 (using VBODMAS rule)
⇒ 8 + 220 - 25 = 203
⇒ 228 - 25 = 203
⇒ 203 = 203
⇒ LHS = RHS.
Therefore the option (a) is correct.
Question : 3
If A = '+', B = ‘-‘, C = '×' and D = '÷', then which of the following equations is correct?
a) 8 B 6 D A 4 C 3 = 15
b) 9 C 9 B 9 D A 9 = 17
c) 3 A 3 B 3 C 3 A 3 D 3 = 41
d) 8 A 8 B 8 C 8 = - 48
Answer »Answer: (d)
From option (d),
8 A 8 B 8 C 8 = - 48
from the question by changing the symbols, we get
⇒ 8 + 8 - 8 × 8 = - 48
⇒ 8 + 8 - 64 = - 48 (using VBODMAS rule)
⇒ 16 - 64 = - 48
⇒ - 48 = - 48.
Therefore LHS = RHS.
So option (d) is correct.
Question : 4
A means ‘+', B means '-' C means ‘×' and D means ÷, then 18 C 14 A 6 B 16 D 4 =?
a) 254
b) 238
c) 188
d) 258
e) None of these
Answer »Answer: (a)
According to the question,
? = 18 C 14 A 6 B 16 D 4
from the question by changing the symbols, we get
= 18 × 14 + 6 - 16 ÷ 4 (using VBODMAS rule)
= 18 × 14 + 6 - 4
= 252 + 6 - 4
= 258 - 4 = 254
Question : 5
If '+' means 'minus', ‘-‘, means 'multiply’, ‘÷’ means ‘plus’ and '×' means 'divide', then 10 × 5 ÷ 3 - 2 + 3 = ?
a) 5
b) $53/3$
c) 21
d) 36
Answer »Answer: (a)
According to the question,
? = 10 × 5 ÷ 3 -2 + 3
from the question by changing the symbols, we get
= 10 ÷ 5 + 3 × 2 - 3 (using VBODMAS rule)
= 2 + 3 × 2 - 3
= 2 + 6 - 3
= 8 - 3 = 5
Question : 6
If '-‘ denotes addition, ‘+' denotes subtraction, ‘×' denotes division and ÷ denotes multiplication, then 7 -10 × 5 ÷ 6 + 4 =?
a) 3
b) 12
c) 15
d) 9
Answer »Answer: (c)
According to the question,
? = 7 - 10 × 5 ÷ 6 + 4
from the question by changing the symbols, we get
= 7 + 10 ÷ 5 × 6 - 4 (using VBODMAS rule)
=7 + 2 × 6 - 4
= (7 + 12) - 4
= 15
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