Mathematics Quiz Round 2 Level - 1

There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. The number is

• 285

• 152

• 141

• 121

How many 9's are there between 1 and 100?

• 10

• 12

• 15

• 20

Mom and dad have four daughters, and each daughter has one brother.

How many people are in the family?

• 7

• 8

• 9

• 10

Four years ago, Alex was twice as old as Jake. Four years from now, Jake will be 3/4 of Alex's age. How old is Alex?

• 20

• 16

• 12

• 8

A zebra crossing has alternating white and black stripes each 50cm wide. The first stripe is white and the last one is white. The zebra crossing in front of a Shop has 8 white strips. How wide is the road?

• 7m

• 7.5m

• 8m

• 8.5m

The object pictured is made up of a four equally sized cubes. Each cube has

surface area of . What is the surface area of the object pictured?

• $80cm^2$

• $64cm^2$

• $40cm^2$

• $32cm^2$

Three persons are walking on a circular track. One person is athlete and covers the circular track in 2 minutes. While the other two persons cover the track in 5 and 6 minutes respectively. They all started their walk from point A at 7:15 am. At what time they all will be again at point A.

• 8:15 am

• 8:00 am

• 7:45 am

• 7:30 am

In front of a supermarket there were two rows of interconnected trolleys.

The first one is 2.9m long and consists of 10 trolleys. The second one is 4.9m long

and consists of 20 trolleys. How long is one trolley?

• 0.8 m

• 0.9 m

• 1 m

• 1.1 m

Maria wants to divide 42 apples, 60 peaches and 90 cherries fairly amongst her friends. In order to do so she divides the entire fruit into baskets, each with the same amount of apples, peaches and cherries, to then give each of her friends one such basket with fruit. At most, how many baskets of fruit can she fill this way?

• 3

• 6

• 10

• 14

There are 20 girls and boys in total in a class. Always two students share a desk so that one third of the boys share a table with a girl and half the girls share a desk with a boy. How many boys are in this class?

• 9

• 12

• 15

• 16