Questions

B2+ is a Paramagnetic. 

The filled orbitals are σ(1s)22, σ∗(1s)22, σ(2s)22, σ∗(2s)22. The half-filled orbitals are π(2pxx) and π(2pyy). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.

The poison was in the ice. When the girl drank the iced tea, the ice was still fully frozen. Gradually, as the ice cubes melted the poison was released into the drink.

Hence, the girl who died, drunk the tea after the ice melted. So, she was died. 

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  

Bill.

From the detectives code 0415 7140 7718

Each 4 digits may represent one name

Here 7718 mirror image represent BILL.

Rupess is the currency of our country and only govt has the authority to issue indian currency it has been signed by ministry of finance, all other notes are bearer notes which are signed by governor.

no interference by RBI.

RBI has the right to print currency notes in the country except coins & 1 Re note which are issued by Govt. Thus, it bears the sign of MoF.