Question
25 men can complete a piece of work in 30 days. βxβ
men started the work and after 24 days 60 more men joined them so that whole work was finished in the desired time. Find the value of βxβSolution
Total work = 25 Γ 30 = 750 units According to question; 24 Γ x + 6 Γ (x + 60) = 750 Or, 24x + 6x + 360 = 750 Or, 30x = 390 Or, x = 13
In an election between two contestants 'Rahul' and 'Sohan', 'Rahul' secured 62% of the total votes and defeated 'Sohan' by 7,440 votes. How many votes d...
Β In a lock-making factory, 10 percent of the total produced locks were found to be defective, and 80 percent of the non-defective locks were exported. ...
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...
In an exam, Riya scored 40% and fell short of the pass mark by 20 marks, whereas Mehul scored 50% and exceeded the passing mark by 10 marks. What are th...
In a shop, there are a total of 15,000 chip packets. Out of these, 28% are Green Lays packets, and out of the remaining, 75% are Red Lays packets, and t...
- Pooja spent 45% of her earnings on shopping, 55% of the remaining on house expenses, and the rest she saved. If her savings are Rs. 990, determine how much...
A man donated 22%, 11% and 26% of his income to three NGOs βAβ, βBβ and βCβ, respectively. They spent 75%, 80% and 50% of respective sums re...
Rohan allocates his income in the following manner: he spends 25% on rent, then 20% of the remaining amount on food. From what is left, he deposits 30% ...
The income of Suresh is 30% higher than that of Mukesh. While Mukesh spends 80% of his income, Suresh spends 60% of his income. If Suresh saves Rs. 6,50...
The income of P is 2/5th of the income of Q and income of R is 60% more than the income of Q. Income of Q is Rs.15000 and expenditure of P is...