mathematics-science MCQ Practice

Sample questions

1Rs 1000 is compounded annually at 10 percent per year for 2 years. What is the compound interest?

A Rs 210

B Rs 1210

C Rs 200

D Rs 220

2An open cubical box has side 5 cm and no lid. If only the outside surface is to be painted, which surface area should be used?

A 25 square cm

B 100 square cm

C 125 square cm

D 150 square cm

3In a science activity record, which of the following is an observation rather than an inference?

A The object is made of metal because it feels cold.

B The liquid must be evaporating faster due to heat.

C Plants need sunlight to prepare food.

D Tiny water droplets are visible on the outside of the cold tumbler.

4A large arrow card points to the left. A student looks at its image in a plane mirror. What should the teacher expect the student to report?

A The arrow disappears because a mirror absorbs light.

B The image looks upright but the left-right direction appears reversed.

C The image looks upside down but the left-right direction stays unchanged.

D The image becomes smaller as soon as the card is placed before the mirror.

5In a simple circuit with one cell, one bulb and one switch, what is the main function of the switch?

A To supply electrical energy to the circuit

B To complete or break the circuit path

C To make the wire a magnetic material

D To remove the need for a cell