BlogTV Maths Quiz - Must PSLE Maths Paper have to be that hard?

My son, Alfred & I was on the show, while my 2 daughters & another friend's son was there to see how this wacky & fun programme was produced.

They enjoyed themselves and had lots of fun with the producers and show hosts.

Catch some of our photos here ...
http://www.facebook.com/photo.php?pid=2682981&id=650587887

Below are the quiz questions that were given to 31-yr old Mathew and a 12-yr old Darryl.

Get your pen and paper, and don't forget your calculator .....
You have 40 minutes.

Are You Smarter Than A 12-year-old?

http://blogs.blogtv.sg/starbloggers/2009/10/23/math-quiz/

For those of you who missed last night’s episode of BlogTV, you missed the great fun we had playing “Are You Smarter Than A 12-Year-Old, where 31-year old private banker faced off with a 12-year-old school boy.

10 questions, 40 minutes later, the 12-year-old boy emerged triumphant, having answered 4 questions correctly. The 31-year-old banker managed only 1 correct question.

So do you think you’re smarter than a 12-year-old? Here are the 10 questions we posed to our two wonderfully brave contestants.

QUESTION 1
Bryan invited 20 more boys than girls to a party. 3/4 of the boys and 2/3 of the girls came. 19 people didn’t come. How many people did he invite?

QUESTION 2
Of the visitors in a museum, 40% are children, 3/4 of the adults are women.
a) what is the ratio of children:men:women.
b) the second day, children number increased by 20%, adults number remain the same but women is 3/5 of adult. if there are 336 more children than women, how many visitors on second day

QUESTION 3
The figure below, not drawn to scale is made up of a big circle, two semicircles, two quadrants and two squares.
a) Find the perimeter of the shaded figure
b) find the area of the shaded figure

QUESTION 4
A millipede is climbing up a wall. For every 3cm it climbs, it slips by 1cm. It takes 3 seconds to climb 1 cm and 1 second to slip by 1cm.
a) How far would the millipede have climbed after 1 minute?
b) How long would the millipede take to climb 56cm?

QUESTION 5
There are red and green beads in a bag. When 75 green beads are added, the percentage of red beads decreased from 30% to 20%. How many red beads are there in the bag?

QUESTION 6
Kavita had 50% fewer erasers than Mark. After Mark gave 15 of his erasers to Kavita, Kavita had 40% fewer erasers than Mark. How many erasers did Kavita have at first?

QUESTION 7
The ratio of Ryan’s pocket money to John’s pocket money was 3 : 2. After Ryan saved $15 and John spent $8, the ratio of Ryan’s pocket money to John’s pocket money was 3 : 1. How much money did Ryan have at first?

QUESTION 8
Shop A has 156 kg of rice. Shop B has 72 kg of rice. After both shops sold an equal amount of rice, the ratio of rice that shop A has to shop B is 4:1. Find the amount of rice sold by each shop.

QUESTION 9
6/14 of the chairs in a hall are in rows of 13. Half of the chairs are in rows of 7. There are 112 more chairs in rows of 7. The rest of the chairs are stacked up. Find the total number of chairs.

QUESTION 10
Tank A is filled with water to its brim. Water is then poured from Tank A to Tank B until both share the same height. What is this height?

Scroll down for the answers.

You are sure you want to see the answers? Have you tried your absolute best? Have you? Really? Okay, okay. Here you go:

QUESTION 1
68 people were invited

QUESTION 2
a) 8:3:9
b) 3024 visitors

QUESTION 3
a) 125.6cm
b) 192.5cm squared

QUESTION 4
a) 12cm
b) 4min 36 sec

QUESTION 5
There are 45 red beads in the bag

QUESTION 6
Kavita had 120 erasers at first

QUESTION 7
Ryan had $39 at first

QUESTION 8
Each shop sold 44 kg of rice.

QUESTION 9
There were a total of 1568 chairs.

QUESTION 10
The height of the water is 25 cm.

So how many correct answers did you manage?