Number System
In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ?

17 litre
25 litre
29 litre
21 litre

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System
On a new year eve, every student of a class sends a card to every other student. If the total number of cards delivered is 1980, how many students are there in the class ?

45
43
47
41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP
MORE MCQ ON Number System