For the following questions answer them individually
Rakesh sells two watches for Rs.2,530 each, gaining 15% on one and losing 15% on the other. Find his approximate gain or loss percentage in the whole transaction.
After allowing a discount of 10% on its marked price, the value of a mobile phone is Rs.20,250. If no discount is allowed, then the shopkeeper gains 20%. The cost price of the mobile phone is:
In how many years ₹4,000 will amount to ₹5,324 at 10 percent per annum compound interest, compounded annually?
A man saves 25% of his monthly income. Due to a 20% increase in his income, his expenditure also increases by 20%. Now he can save Rs.1,500 per month. Find his original monthly income.
Select the correct combination and order of mathematical signs to replace '*' such that the equation is balanced:
172 * 86 * 14 * 2 = 30
Arvind bought an item under successive discount scheme having 20% and 25% discounts successively, and paid ₹6,000 as the bill. MRP of the item was:
In a college canteen, food items were collected to serve 96 students for 5 days. But due to new admissions, 64 more students joined. Now, for how many days the food items would last?
Jack can do a piece of work in 30 days. Ryan can do this work in 14 days. Jack started the work alone. After how many days should Ryan join him, so that the work ifis nished in 15 days?