Questions

The given sentence means that, at working hours that person is reserved means he is very timid, feel shy or not talkative or won't share his feelings.

The Upanishads are commonly referred to as Vedanta. 

The Upanishads alone are widely known and among the most important literature in the history of Indian religions and culture and their central ideas are at the spiritual core of Hindus.

The upanishads are a part of the Vedas and are ancient Sanskrit texts that contain some of the central philosophical concepts and ideas of Hinduism, some of which are shared with Buddhism, and Jainism.

The given letter equation 6 B in an O refers to 6 Balls in an Over.

When the piece of iron is lowered into the water, the water level in the bucket increases. And so the pressure at the bottom of bucket also increases. Thus the total thrust at the botto also increases. Therefore the spring balance reading increases.

The main purpose in measuring the effectiveness of any advertising campaigns is to evaluate its effect on the sales and also brand recall factor. The mathematical equation for measuring the effectiveness of an advertising campaign is:

Advertising campaign effectiveness = Revenue + Return on investment (ROI)

There are various ways to measure the effectiveness of advertising campaigns:

         - Conducting a survey after the campaign ends

         - Proportionate increase in the sales of that particular product/service

         - More customers calling to a toll-free and prescribed lines

         - Redemption of coupons and vouchers

         - Increased footfalls in the store to purchase product/service

         - Increased click on the company’s website