MATSCI SESSION2 Aug.3, 2023

What is the smallest 2-digit number that can be formed using any two of the digits 7, 5, 9 and 0, if each digit

has to be used once only?

 

• A.  50 

• B. 70     

•   C. 75 

•   D. 90

How many numbers are there between 8 and 18 contain the digit 1?

            

• A. 8

• B. 9        

• C. 10

• D. 0

Chaiya has 2 red marbles and 2 blue marbles in his bag. At least how many marbles must he take from his

bag before he gets 2 marbles of the same color?

 

• A.    1      

• B. 2

• C. 3

• D. 4

If tomorrow is Friday, which day of the week was yesterday?

• A.    Tuesday

• B. Wednesday

• C. Thursday

• D. Friday

   

       Adam’s mother, Mrs. Wu, has five children. Her three daughters are older than Adam.  How many sons does she have?

 

                      A. 1                               B. 2                                 C. 3                D. 4

 

• A. 1

• B. 2    

• C. 3

• D. 4

  Mekhala asked her friend Miya to guess the number in her mind.  She said that it has two digits that has a sum

of 5; it is between 10 and 15.  The number is even. What is this number?

• A. 11

• B. 12

• C. 13

• D. 14

Allen, Brent,and Charles are in a party. If they shake each other’s hands once, how many handshakes were made?

• A. 1

• B. 2

• C. 3

• D. 4

SCIENCE: Choose the letter of the best answer.

The tilt in the earth’s atmosphere causes us to experience different ________ each year.

 

• a.      weather

• b.     seasons

• c.      erosion

• d.     typhoons

• e.      tornadoes

This refers to the process of collecting and processing materials to convert them into new materials.

 

• a.      Reducing

• b.     Resource

• c.      Recycling

• d.     Compost

• e.      Segregation

This is the general term for resources that are found in and made by nature.

• a.  Human

  Resources

• b.  Non-Renewable Resources

• c.      Renewable

  Resources

• d.     Artificial

  Resources

• e.      Natural

  Resources