Mathematical Operations Questions

Q:

In a certain code language, '-' represents'+', '+' represents 'x', 'x' represents '÷' and '÷'represents '-'. Find out the answer to the following question.

2 - 12 + 10 x 5 ÷ 12 = ?

A) 32 B) 8
C) 4 D) 14
 
Answer & Explanation Answer: D) 14

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Q:

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
642 x 6 ÷ 25 + 4 = ?

A) 11 B) 64
C) 18 D) 7
 
Answer & Explanation Answer: D) 7

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Q:

Select the number which can be placed in the place of ?

A) 33 B) 34
C) 36 D) 37
 
Answer & Explanation Answer: C) 36

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Q:

If the signs + and / and the numbers 2 and 4 are interchanged, which one of the following four equations would be correct?

A) 4/2+3 = 6 B) 2+4/3 = 3
C) 4+2/6 = 1.5 D) 2+4/6 = 8
 
Answer & Explanation Answer: D) 2+4/6 = 8

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Q:

Find the missing number in the given question/

A) 54 B) 60
C) 62 D) 66
 
Answer & Explanation Answer: D) 66

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Q:

In the following question, select the number which can be placed at the sign of ? from the given alternatives.

A) 17 B) 18
C) 22 D) 25
 
Answer & Explanation Answer: D) 25

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Q:

If "÷" denotes "multiplied by", "+" denotes "subtracted from", "x" denotes "added to" and "–" denotes "divided by",then

12 – 6 + 28 x 3 ÷ 9 = ?

A) -24 B) -53
C) 1 D) 0
 
Answer & Explanation Answer: C) 1

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