21 April-Earlene-Review Test Average-Rate-WholeNumber Addition

Find the average of marbles !

• 81

• 82

• 83

• 84

  The average of number teeth of 5 preschoolers is 14.

Find the number of teeth of Virna's !

• 17

• 16

• 18

• 15

475 + 718 + ........ = 2076

• 882

• 873

• 883

• 783

A tennis ball machine can launch 30 balls in 15 minutes.

How many balls can be launched in 1 h ?

• 60 balls

• 120 balls

• 180 balls

• 20 balls

   A tap of water filled a pool with 200 L tank in 40 minutes.

At this rate, how much water fill in the tank in 1 minute?

• 2 L

• 6 L

• 4 L

• 5 L

   There is a rectangular tank with 80 cm x 40 cm x 20 cm. The tank of water flows the water with rate

4 Litres per minutes.How long will it take to fill the tank?

• 15

• 16

• 18

• 8

Jerry took 5 minutes to type 225 words.

How many words did Jerry type in 1 minute?

• 45

• 43

• 35

• 55

Find :

a) how much water was drained after 20 minutes!

b) How long will water take to be drained out of tank completely?

• a) 200 L

  b) 1 h 30 minutes

• a) 200 L

  b) 1 h 10 minutes

• a) 200 L

  b) 1 h 40 minutes

• a) 200 L

  b) 1 h 20 minutes