NBT QL free questions

The sum of the factors of 64 =

The value of $\frac {1}{3}+ \frac {2}{5} \times 2 \frac {2}{3}=$

As the beaker fills with water from a regular tap, which relationship best describes the volume of air remaining over time?

A beaker filled with water is shown, drawn to scale where each block on the grid represents one centimetre.

The two towns are 45km apart. How far apart on the map will they be if the scale is 1:20000?

These pie charts show expenses in 2022 vs 2023 for a household.

Suzan wants to buy some Oranges and pears. Orange cost R3 each and Pears Cost R2 each.Let Oranges be X and let pears be Y. Let Oranges be X and let pears be Y which expression gives the total amount of pieces of fruit she bought.

To be hired as a typist one must be able to type 250 words per minute. Someone can currently type 205 words per minute. If they believe that can increase their typing speed by 10 words per week, what is the formula that represents the number of words they can type in weeks from now?

To be hired as a typist one must be able to type 250 words per minute. Someone can currently type 205 words per minute. If they believe that can increase their typing speed by 10 words per week, what is the formula that represents the number of words they can type in weeks from now?

I have five pencils; I place them horizontal in front of me. How many ways can I arrange the pencils?

A class of 40 learners wrote a mathematic test.28 of the learners scored 50% or less for the test. The remaining 12 learners got 90% or above for the test. If the sum of the marks of all 28 learners who scored under 50% for the test is 960 and the 12 learners who got 90% or above all got 92%, the approximate mean mark for the class is:

The smaller cuboid (rectangular box) shown below is a scale model of the larger one. Find the volume of the larger cuboid in terms of $t$

Find the value of n for which $4(9^{n})-9^{n}=3^{801}$

The graph below shows Emma company earns at a party, which statement below best describes their hourly rate?

Maggie made the scatter plot below to record the distance she jumped with different running start length. Which is the distance of Maggie’s longest jump when she had a running start of 20 feet.

Find the median value of the 29 data values given in the stem and leaf diagram.

A parabolic bridge spans a distance of 20 m across its base AB and is 8 m tall at its highest point. From a 4 m high point on the bridge arch, a rope hangs vertically to touch the ground at point C. Find the distance from C to the centre of the base line AB.

A steel bar is 450 cm when cool. When heated, it increases in length by 2.5%. What is the new length?