Gr 12 Math Day Quiz

Which house are you in?

• Peace

• Unity

• Freedom

• Forward

There are 5 people. The first person is 100 cm tall. The subsequent is 20% taller than the person before. What will be the height of the 5th person?

• 180 cm

• 110 cm

• Between 110 cm and 180 cm

• More than 180 cm

How many two-digit integers are there in which the sum of the digits is equal to 10?

• 11

• 10

• 8

• 9

A wire is wound around a rod. The wire goes exactly 5 times around the rod. The circumference of the rod is 12 cm, and the height is 25 cm. What's the length of the wire?

• 70

• 60

• 65

• 80

A taxi company charges AED 1.75 for the first kilometer and 25 fils for each additional kilometer. What is the maximum distance one can travel with AED 7?

• 21 km

• 22 km

• 16 km

• 17 km

How many equilateral triangles can you make using six identical line segments?

• 8

• 6

• 4

• 2

Mary can complete an activity in 40 days. John can complete an activity in 50 days. Estimate, for how many days they work on 2 activities if they change them at the best moment.

• 46

• 45

• 45

• 44

John had an average of 89 on his three math exams. To earn an 'A,' he must have an average of 90. What is the lowest grade he must earn on his next exam to raise his average to 90?

• 93

• 92

• 91

• 99

Water is pumped into an empty swimming pool at a linearly increasing rate, which was zero at the beginning. If the pool is half full in 10 hours, how much extra time is needed to fill it completely?

• About 10 hours

• About 6 hours

• About 4 hours

• About 5 hours

 Which is the smallest?

• -1

• -1/2

• 0

• 1