Question

3.
Predict the output of the following operations if x = -5 and y=3 initially
a. -X
f. x+y
g. x%y
b. -y
c. -X + -y
d. -X - y
h. x/y
i. x *-y
e. x % -11
j. -X % -5​

Answer 1

Answer:

a) 5

b) -2

c) -0.15

d) -3

e) +2

f) +2

g) 5/3 = 1.67

h) -5*-3 = 15

i) -5%-11 = -11.05

j) 5%-5 = -4.95

Explanation:

i hope this is the correct answer. not sure

Answer 2

Predict the output of the following operations if x = -5 and y=3 initially

a. -X; b. -y; c. -x + -y; d. -x - y; e. x % -11; f. x+y; g. x%y; h. x/y; i. x *-y; j. -X % -5

a. 5; b. -3; c. +2; d. +2; e. -5; f. -2; g. -2; h. -1; i. 15; j. 0

Given:

x = -5 and y = 3

To Find:

The values of-

a. -X

b. -y

c. -x + -y

d. -x - y

e. x % -11

f. x+y

g. x%y

h. x/y

i. x *-y

j. -X % -5​

Solution:

Let, all these operations have been done in C++.

We have,

x = -5

y = 3

a) Here negetive and negative are creating a positive value.

-x = -(-5)

or, -x = 5

b) Here positive and negative are creating a negative value.

-y = -3

c) -x + -y = -(-5) + -(3)

or, -x + -y = 5-3

or, -x + -y = +2

d) -x - y = -(-5) - (3)

or, -x -y = 5-3

or, -x -y = +2

e) % is a modulus operator.

x % -11 = -5

f) x+y = (-5) + (3)

or, x+y = -2

g) Moldulo Operator % also known as Modulus or Modular or Modulo Division operator in C. It gives the remainder of a division.

x%y = -2

h) x/y = -5/3

= -1.66667 [if the integers are taken as float variable]

or the result will be x/y = -1 if variables are taken as integer data type.

i) x *-y = 15

as * operator multiplies two variables.

j) -x % -5​ = 0

Which means there will be no remainder in it.

a. 5; b. -3; c. +2; d. +2; e. -5; f. -2; g. -2; h. -1; i. 15; j. 0

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