Page 109 - Computer Genius Class 07
P. 109
Exercise
A. Tick ( ) the correct option.
1. ___________ is a concept that measures how slow or fast an object is.
(i) Motion (ii) Speed
(iii) Time (iv) Distance
2. To change km/hour to m/sec, we multiply it by ___________ .
(i) 15/8 (ii) 8/15
(iii) 5/18 (iv) 18/5
3. Which of the following data type cannot be carried out by multiplication operator?
(i) Integer (ii) Float
(iii) Double (iv) String
4. Which of the following is the correct formula of distance?
(i) Speed x Time (ii) Time/Speed
(iii) Speed x Distance (iv) Speed + Distance
B. Fill in the blanks using the words given below.
Time Average Speed Addition
1. The _____________ is the total distance travelled by the object in a particular time period.
2. In programming, we refer to “+” as a symbol of _____________ .
3. Seconds, minutes, hours are the units of _____________ .
C. State whether these statements are true or false.
1. In programming, we refer "/" as the symbol of division. _____________
2. Speed is directly proportional to Time _____________
3. Average Speed is same as Speed. _____________
4. “and” is a Rational Operator _____________
D. Answer the following questions.
1. Define Speed and Illustrate the formula to calculate Speed.
_________________________________________________________________________
2. What is difference between division and modulus?
_________________________________________________________________________
3. Convert 10 km/hr to m/sec.
_________________________________________________________________________
Exploring Science with Coding-1 107

