In a class of 50 students there are 27 boys. The average weight of these boys is 72 Kg and average weight of the full class is 55.44 kgs. What is the average weight (in kgs) of the girls of the class?
1). 42
2). 48
3). 30
4). 36
What is the third proportional to 10 and 25?
1). 125
2). 150
3). 62.5
4). 225
If on a Sale there is 30% discount on the marked price of Rs 2500, but the sale is done at Rs 1400 only. What additional discount (in %) did the customer get?
1). 10
2). 20
3). 15
4). 25
The diagonal of a square is 12 cm what is the length (in cm) of its side?
1). $6\sqrt{2}$
2). $12\sqrt{2}$
3). 6
4). 9
A can finish a work in 18 days and B in 36 days. If they work on it together for 9 days, then what percent of work is left?
1). 33.3
2). 20
3). 75
4). 25