infix to postfix

Evaluate the expression: 7 2 * 3 1 / +

• 14

• 17

• 16

• 15

Find postfix expression for (D/G+(J*S)+Y)

• DG+JS*/Y+

• DG+JS*+Y/

• DG/JS+*Y+

• DG/JS*+Y+

Find the postfix expression for: A+B+C+D+E

• AB+C+D+E+

• AB+C+D++E

• ABC++D+E+

• AB+C+D+E++

What is the final value after evaluating 82/3*41/+

• 14

• 16

• 13

• 15

The prefix form of an infix expression (p + q) – (r * t) is?

• a) + pq – *rt

• b) – +pqr * t

• c) – +pq * rt

• d) – + * pqrt

The prefix form of A-B/ (C * D ^ E) is?

• a) -/*^ACBDE

• b) -ABCD*^DE

• c) -A/B*C^DE

• d) -A/BC*^DE

The postfix form of the expression (A+ B)*(C*D- E)*F / G is?

• a) AB+ CD*E – FG /**

• b) AB + CD* E – F **G /

• c) AB + CD* E – *F *G /

• d) AB + CDE * – * F *G

Convert the following Infix expression to Postfix form using a stack

x + y * z + (p * q + r) * s, Follow usual precedence rule and assume that the expression is legal.

• a) xyz*+pq*r+s*+

• b) xyz*+pq*r+s+*

• c) xyz+*pq*r+s*+

• d) xyzp+**qr+s*+

What is the infix equivalent for the following postfix expression?

3 5 6 + *

• 5 + 6 * 3

• 5 + (3 * 6)

• (5 + 6) * 3

• 5 (+ 6 * 3)

The result evaluating the postfix expression 10 5 + 60 6 / * 8 – is

• 284

• 213

• 142

• 71