A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect square.
Perfect square number between 2 and 90- 4,9,16,25,36,49,64,81 So now probability=8/89
If a number is added to 52 instead of being added to 25. Approximately what percent of the correct value of the result?
In an election, two candidates A and B participated. 2⁄5 of the voters promised to vote for A and rest promised to vote for B. On the voting day 2...
A man spends 23% and 10% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 31% on food and 46% on en...
Total number of students in a class is 2160, and the ratio of number of boys to girls is 2:3. If the number of boys and girls is increased by b% and (b ...
A bag contains 550 coins of 25p denomination and 1100 coins of 50p denominations. If 11% of 25p coins and 22% of 50p coins are removed, the percentage o...
If the price of petrol is increased by 28%, by what percentage should the consumption be decreased by the consumer if the expenditure on petrol remains...
A spent 40% and 25% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 22% and 44% to his mother and brother, respec...
A spent 30% of his monthly income on study and 60% of the remaining on rent. If amount spent on rent is Rs. 840, then find the amount spent on study
Rajeev spends 30% of his monthly income on cloths and food and 20% of remaining on rent and saves the remaining amount. If he saves Rs 17920 per month, ...
20% of 35% of a number is 175. What is 18% of that number?
