Foresight: Anticipation: Insomnia:? 

Dum-Dum : Kolkata :: Palam :?

Seismograph: Earthquakes: Taseometer : ? 

Denigrate: Devalue:: Upgrade : ? 

The simple interest on an amount of 2,800 at the end of 3 years is Rs 420. What will be the simple interest at Rs 3200 for the same rate and for the same period?

If A : B= 3:4, B: C = 2:3 then A+B : B+C: C+A =?

If 4A=6B =5C; then A:B:C is

A total of 57 sweets were distributed in 10 children in such a way that each girl got 6 sweets and each boy got 5 sweets. The number of boys is: