Sawaal
426
Q:

Given interchanges : 

Signs + and - , numbers 4 and 8.

A) 4 + 8 - 12 = 12 B) 4 - 8 + 12 = 0
C) 8 + 4 - 12 = 24 D) 8 - 4 + 12 = 8

Answer:   B) 4 - 8 + 12 = 0



Explanation:

 On interchanging + and - and 4 and 8 in (b),

we get the equation as

8 + 4 - 12 = 0 
or 12 - 12 = 0
or 0 = 0, which is true.

Subject: Mathematical Operations
Related Questions
Q:

If "–" stands for "÷", "+"stands for "x", "÷" for "–" and "x" for "+", which of the following equations is correct?

A) 40 – 10 + 5 ÷ 4 x 5 = 21 B) 40 + 10 – 4 x 5 ÷ 3 = 80
C) 40 ÷ 10 – 4 x 5 + 3 = 32 D) 8 – 4 x 40 ÷ 2 + 15 = 30
 
Answer & Explanation Answer: A) 40 – 10 + 5 ÷ 4 x 5 = 21

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

23 3133
Q:

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication" then

 

516 & 6 # 11 @ 50 % 4 = ?

 

A) 210 B) 274
C) 250 D) 275
 
Answer & Explanation Answer: D) 275

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

15 5383
Q:

Select the missing number from the given responses.

A) 45 B) 65
C) 70 D) 80
 
Answer & Explanation Answer: B) 65

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

38 2719
Q:

If '+' means subtraction, '÷' means addition, '<' means multiplication and '>' means division, then find the value of the given statement,

The value of 9 ÷ 7 < 8 > (4>2) + 5 will be

A) 32 B) 18
C) 16 D) 11
 
Answer & Explanation Answer: A) 32

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

15 2175
Q:

Find the missing number from the alternatives.

A) 125 B) 175
C) 225 D) 250
 
Answer & Explanation Answer: C) 225

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

15 1672
Q:

Find the missing number?

A) 32 B) 30
C) 28 D) 36
 
Answer & Explanation Answer: D) 36

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

6 1425
Q:

Find the missing number?

A) 120 B) 23
C) 55 D) 30
 
Answer & Explanation Answer: B) 23

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

8 1712
Q:

Select the missing number in the given question?

A) 9 B) 4
C) 8 D) 2
 
Answer & Explanation Answer: D) 2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Mathematical Operations
Exam Prep: Bank Exams

15 1824