alleryA new operator is defined by a ∗ b = a² + b. Evaluate 3 ∗ 4.
A13
B10
C25
D49
Answer & Solution
Correct answer: A. 13
Substituting a = 3 and b = 4 gives 9 + 4 = 13.
Keep practising Order of Operations
Browse all Order of Operations questions for RRB NTPC, or explore more Reasoning topics.
Related questions
A number divided by 3 and then increased by 7 gives 15. What is it?Find ? if 48 ÷ ? + 5 = 13.What number replaces the question mark in ? × 4 − 6 = 22?Fill in the blank so that 36 ÷ 6 + ? = 10 holds.Pick the sign pair that balances 15 _ 3 _ 2 = 3.To make 5 _ 4 _ 2 equal 18, the blanks must holdWhich signs, left to right, complete 12 _ 4 _ 5 = 8 correctly?Choose the signs that balance the equation 6 _ 3 _ 2 = 20.