The internal base of a rectangular box is 15 cm long and 12$\frac{1}{2}$ cm wide and its 2 height is 7 cm. The box is filled with 2 cubes each of side 2$\frac{1}{2}$ cm. The number of 2 cubes will be

• 90

• 120

• 45

• 60

The perimeter of a trapezium is 58 cm and sum of its non-parallel sides is 20 cm. If its area is 152 cm, then the distance between the parallel sides (in cm) is

• 9.8

• 15.2

• 6

• 8

The measure of each interior angle of a regular convex polygon is 156°. The number of sides of the polygon is

• 10

• 8

• 15

• 12

Which one of the following is not a problem solving strategy in Mathematics ?

• Solving backwards

• Rote learning

• Trial and error

• Drawing

According to Piaget, when the child is at formal operational stage, it is appropriate to introduce

• numbers

• geometry

• ratio and proportion

• data handling

In class VI, teacher gave a topic for debate as Formative Assessment (FA) task

"Hindu-Arabic numerals are more powerful than Roman Numerals."

Objective of this FA activity is to assess

• creativity

• understanding

• knowledge

• analysis

In a Mathematics classroom, emphasis is placed on

• problem solving strategies

• mathematical algorithms and processes

• mathematical content

• mathematical content, process and reasoning

$\mathrm{The} \mathrm{value} \mathrm{of} \sqrt[3]{- 2300} \times \sqrt[3]{5290} \mathrm{is}$

• - 270

• 230

• - 230

• - 529

9.

The value of $\frac{{\left(2^{\mathrm{a}}\right)}^{\mathrm{bc}}}{{\left(5^{\mathrm{b}}\right)}^{\mathrm{ac}}}$, where a = 2, b = 3 and c = 0, is

•  - 1

• $\frac{2}{5}$

• 1

• 0

The value of $4 + \frac{44}{10} + \frac{404}{100} + \frac{444}{1000} + \frac{4}{10000} \mathrm{is}$

• 12.8844

• 12.8804

• 12.8224

• 12.8944