alleryA student computes 3 × 4 + 5 × 6 − 2. What should the answer be?
- 40
- 46
- 36
- 34
Show answer and solution
Correct answer: A. 40
The products are 12 and 30, and 12 + 30 − 2 = 40.
RRB NTPC Order of Operations — practice questions — page 2
Explore 76 free Order of Operations questions in RRB NTPC Reasoning. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 31–60 of 76.
A student computes 3 × 4 + 5 × 6 − 2. What should the answer be?Read the answer and worked solution →Dividing 81 by 9 and then by 3 gives which number?Read the answer and worked solution →BODMAS applied to 64 ÷ 8 + 8 × 2 − 4 yieldsRead the answer and worked solution →What does 9 − 3 + 6 ÷ 2 × 4 simplify to?Read the answer and worked solution →Pick the correct value of 30 ÷ 5 × (2 + 4).Read the answer and worked solution →In a code, + stands for × and × stands for +. Then 3 + 4 × 5 equals?Read the answer and worked solution →Suppose the signs + and − exchange meanings. Evaluate 15 + 6 − 4.Read the answer and worked solution →After exchanging the roles of × and ÷, compute 24 × 6 ÷ 2.Read the answer and worked solution →With ÷ meaning × and × meaning ÷, 18 ÷ 3 × 6 works out toRead the answer and worked solution →Given + as −, − as +, × as ÷, ÷ as ×, find 8 ÷ 2 + 6 × 3 − 5.Read the answer and worked solution →Treat − as multiplication and × as subtraction. What is 10 − 4 × 3?Read the answer and worked solution →When ÷ is read as plus and + is read as divide, 12 ÷ 8 + 4 isRead the answer and worked solution →Reading + as minus and − as plus, find the value of 25 − 10 + 5.Read the answer and worked solution →In a puzzle × means add and + means multiply. Solve 6 × 4 + 3.Read the answer and worked solution →Let ÷ denote subtraction and − denote division. Then 40 ÷ 15 − 5 isRead the answer and worked solution →Interchange × with ÷ and + with −, then solve 9 × 3 ÷ 9 + 5 − 2.Read the answer and worked solution →Letters P, Q, R stand for +, − and × respectively. Find 8 R 3 P 4 Q 2.Read the answer and worked solution →Under the rule + is ×, − is + and × is −, the value of 5 + 3 − 4 × 2 isRead the answer and worked solution →Taking × as minus and − as times, evaluate 9 × 2 − 3 + 4.Read the answer and worked solution →A coding swaps ÷ and ×. Under it, what does 36 ÷ 3 × 4 give?Read the answer and worked solution →If subtraction is shown by ÷ and division by −, then 36 − 6 ÷ 2 equalsRead the answer and worked solution →A new operator is defined by a ∗ b = a² + b. Evaluate 3 ∗ 4.Read the answer and worked solution →For the rule a @ b = 2a + b, find 5 @ 3.Read the answer and worked solution →Define a # b as the product of a and b minus a. Compute 6 # 4.Read the answer and worked solution →The operation a ⊕ b doubles the sum of a and b. Find 4 ⊕ 5.Read the answer and worked solution →Given a $ b = a² − b², what does 7 $ 5 equal?Read the answer and worked solution →With a ∗ b = a + b + ab as the rule, calculate 3 ∗ 4.Read the answer and worked solution →If x ◆ y means three times x minus twice y, then 6 ◆ 4 equalsRead the answer and worked solution →Let p ▲ q stand for p divided by q, plus q. The value of 12 ▲ 3 isRead the answer and worked solution →A rule a ⊗ b = a² + b² is used. Determine 3 ⊗ 4.Read the answer and worked solution →
Worked practice questions
Dividing 81 by 9 and then by 3 gives which number?
- 3
- 27
- 9
- 1
Show answer and solution
Correct answer: A. 3
Left to right, 81 ÷ 9 = 9 and 9 ÷ 3 = 3.
BODMAS applied to 64 ÷ 8 + 8 × 2 − 4 yields
- 16
- 36
- 20
- 24
Show answer and solution
Correct answer: C. 20
8 + 16 − 4 = 20 after the division and multiplication are done.
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