Test 1. Percentage of a number

 1. There are 280 children in a school. 75% of the children play sport for a school team. How many children play for a school team?

 а)  210;      b)  230;     

 c)  205;      d)  215.

 2. 25% of a chocolate bar is caramel. If the chocolate bar weighs 60 g, how much is caramel?

 а)  12 g;      b)  25 g;     

 c)  15 g;      d)  10 g.

 3. 66¹/₃% of adults like a cup of tea first thing in the morning. If 150 adults were asked, how many said they liked a cup of tea first thing in the morning?

 а)  112;      b)  115;     

 c)  120;      d)  100.

 4. 160 people walked through a shop. 5% of these people had their noses pierced. How many of these people had their noses pierced?

 а)  5;        b)  8;     

 c)  12;      d)  10.

 5. 360 people were asked if they had flown at any point in their life. 70% said they had flown. How many people was that?

 а)  276;      b)  244;     

 c)  252;      d)  260.

 6. 48000 people watch Liverpool play Everton. 62% of the people are Liverpool supporters. How many Liverpool supporters watch the match?

 а)  29,760;      b)  29,360;     

 c)  29,780;      d)  30,760.

 7. 53% of the students in a school are girls. It there are 1300 students in the school, how many are girls?

 а)  697;      b)  673;     

 c)  685;      d)  689.

 8. 9% of a cereal is sugar. How much sugar is there in a 750 g box jf cereal?

 а)  68.5 g;      b)  67.8 g;     

 c)  67.5 g;      d)  65.5 g.

 9. Sean has £850. He uses 37.2% of his money to buy a new music centre. How much did he spend on the music centre?

 а)  £316.20;      b)  £316.20;     

 c)  £316.20;      d) £316.20 .

10. An egg is made up of 60% egg white. 30% yolk and the rest is shell. What percentage of the egg is shell?   

 а)  8%;      b)  10%;     

 c)  5%;      d)  12%.

11. An egg is made up of 60% egg white. 30% yolk and the rest is shell. If the egg weighs 50 g, what is the weight of the yolk?

 а)  15 g;      b)  18 g;     

 c)  10 g;      d)  11 g.

12. Terrence has a length of rope that is 14³/₄ meters long. Forty percent of the rope’s length is covered by a plastic film than makes it waterproof. What length of the rope is not waterproof?  

 а)  5⁹/₁₀;      b)  8³/₄;     

 c)  8¹⁷/₂₀;      d)  5¹/₄.