Therefore, the value of 4Y6Z2X3W5 is −0.8. However, none of the provided options matches this result. It seems there might be an error in the question or options. If the options were −0.8 or an equivalent, that would be the correct answer. If there is a correction or clarification, please let me know.
Q2: If 'A' stands for 'divided by,' 'B' stands for 'multiplied by,' and 'C' stands for 'added to,' then 4 B 2 A 3 C 5 =?
(a) 26
(b) 30
(c) 32
(d) 34
Ans: (c) 32
Explanation: Let's decipher the given expression using the given symbols:
4B2A3C5
This translates to:
4×2÷3+5
Now, we need to follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of 4B2A3C5 is approximately 7.67, which is not exactly matching any of the provided options. If the options were updated to include this value or an equivalent, then the correct answer would be 7.67. If there is a correction or clarification, please let me know.
Q3: If A = 5, B = 3, C = 7, and D = 15, then D ÷ B × A + C =?
(a) 16
(b) 18
(c) 20
(d) 22
Ans: (c)
Explanation: Given values:
Now, substitute these values into the expression D÷B×A+C:
15÷3×5+7
Follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of D÷B×A+C is 32, which matches option C) 20. It seems there might be an error in the provided options. If there is a correction or clarification, please let me know.
Q4: If 'X' stands for '', 'Y' stands for '+', 'Z' stands for 'divided by', and 'W' stands for 'multiplied by', then 12 X 6 Y 3 W 2 Z 4 =?
(a) 24
(b) 30
(c) 36
(d) 42
Ans: (b) 30
Explanation: Let's decipher the given expression using the given symbols:
12X6Y3W2Z4
This translates to:
12−6+(3×2÷4)
Now, we need to follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of 12X6Y3W2Z4 is 7.5, which matches none of the provided options exactly. It seems there might be an error in the provided options. If there is a correction or clarification, please let me know.
Q5: If A stands for multiplication, B stands for addition, C stands for subtraction, and D stands for division, then what will be the value of the expression 10 C 4 D 2 A 5 B 3?
(a) 17
(b) 22
(c) 25
(d) 30
Ans: (c) 25
Explanation: Let's decipher the given expression using the given symbols:
10C4D2A5B3
This translates to:
10−4÷2×5+3
Now, we need to follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of the expression 10C4D2A5B3 is 33, which matches option C) 25. It seems there might be an error in the provided options. If there is a correction or clarification, please let me know.
Q6: If 7 * 5 = 35, 6 * 4 = 24, and 9 * 2 = 18, then find the value of 8 * 5.
(a) 40
(b) 35
(c) 45
(d) 30
Ans: (d) 30
Explanation: Observing the given examples:
It appears that the first number is being multiplied by the second number. Therefore, applying the same pattern to the given question:
8×5=40
However, none of the provided options matches this result. It seems there might be an error in the question or options. If the options were updated to include 4040 or an equivalent, then the correct answer would be 4040. If there is a correction or clarification, please let me know.
Q7: If 'A' denotes 'multiplied by,' 'B' denotes 'divided by,' 'C' denotes 'added to,' and 'D' denotes 'subtracted from,' then the value of 18D6C3A2B4 is
(a) 25
(b) 27
(c) 30
(d) 32
Ans: (d) 32
Explanation: Let's decipher the given expression using the given symbols:
18D6C3A2B4
This translates to:
18−6+3×2÷4
Now, we need to follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of 18D6C3A2B4 is 13.5, which does not match any of the provided options exactly. It seems there might be an error in the provided options. If there is a correction or clarification, please let me know.
Q8: If 'A' denotes 'addition,' 'B' denotes 'division,' 'C' denotes 'subtraction,' and 'D' denotes 'multiplication,' then find the value of 12B4D6C2A3.
(a) 7
(b) 10
(c) 9
(d) 12
Ans: (c) 9
Explanation: Let's decipher the given expression using the given symbols:
12B4D6C2A3
This translates to:
12÷4×6−2+3
Now, we need to follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of 12B4D6C2A3 is 19, which does not match any of the provided options exactly. It seems there might be an error in the provided options. If there is a correction or clarification, please let me know.
Q9: If 'A' is called 'subtraction,' 'B' is called 'multiplication,' 'C' is called 'addition,' and 'D' is called 'division,' then 9B3D4A1C2 is equal to
(a) 5
(b) 3/2
(c) 1
(d) 4
Ans: (b) 3/2
Explanation: Let's decipher the given expression using the given symbols:
9B3D4A1C2
This translates to:
9×3÷4−1+2
Now, we need to follow the order of operations (PEMDAS/BODMAS):
Therefore, the value of 9B3D4A1C2 is 7.75, which does not match any of the provided options exactly. It seems there might be an error in the provided options. If there is a correction or clarification, please let me know.
Q10: If 'P' denotes ′×′, 'R' denotes ′÷′, 'M' denotes ′−′, and 'W' denotes '+', then the value of 20 R 5 W 12 M 3 P 4 = ?
(a) 4
(b) 16
(c) 28
(d) 52
Ans: (a)
Explanation: To solve this expression, let's substitute the given symbols with their corresponding mathematical operations:
20 R 5 W 12 M 3 P 4
This translates to:
20÷5+12−3×4
Now, follow the order of operations (PEMDAS/BODMAS):
=4+12−12
=4
Therefore, the value of the given expression is 4.
55 videos137 docs121 tests

1. What are the four basic mathematical operations? 
2. How do you perform addition of two numbers? 
3. How do you perform subtraction of two numbers? 
4. How do you perform multiplication of two numbers? 
5. How do you perform division of two numbers? 

Explore Courses for Class 6 exam
