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) 254
(b) 238
(c) 188
(d) 258
e) None of these
The correct answers to the above question in:
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
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Question : 1
If A means '×' B means ‘÷' C means '-' and D means ‘+', then 4 D 16 A 5 B 8 C 5 = ?
a) 9
b) 16
c) 13
d) 75
e) None of these
Answer »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
Question : 2
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 : 3
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 : 4
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 : 5
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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