Questions

C.P. of 10 note books ⇒ 140 × 10 = 1400 Rs.
Profit on selling one pen ⇒ 50×200/100 = Rs 100
Number of pen required ⇒ 1400/100 = 14

The Indus Valley Civilization which is also known as Bronze age civilization started around 3300 BC and flourished in between 2600 - 1900 BC and started to decline in 1800 BC.

Nelson Mandela and Frederik Willem de Klerk has won the Nobel Peace Prize in 1993 for their work for the peaceful termination of the apartheid regime, and for laying the foundations for a new democratic South Africa.

In a concentrated solution there is a large amount of solute.

PM inaugurates Sikkim's first airport, the Pakyong airport in Sikkim is located around 60 km from the India-China border in the village Pakyong near Gangtok the Sikkim's capital city.

A microscope is an instrument that magnifies objects. Cells that were first observed by Robert Hooke in the year 1665 in the compound microscope.

The term just noticeable difference is synonymous with difference threshold and refers
to the detection of change.

The main goals of psychology are four. They are::

1. To describe,

2. To explain,

3. To predict (and)

4. To control the behavior and mental processes of others.