For the following questions answer them individually
A vendor mixed two varieties of rice costing ₹60 per kg and ₹45 per kg in the ratio 3 : 7. If he sells the mixed variety at ₹65 per kg, then what is his gain percentage? [Give your answer correct to two decimal places.]
If a person goes from home to his college at a speed of 12 km/h, he reaches 7 minutes early. If he goes at a speed of 8 km/h, he reaches 14 minutes late. What is the distance between his home and his college?
If the total simple interest received on a sum for 25 years is $$\frac{5}{8}$$ of the principal, what is the rate of simple interest paid per annum?
The average of X, Y and Z is 52. The average of X and Y is 48. The average of Y and Z is 60. What is the value of Y?
A man divides ₹1,100 among three kids in the ratio $$\frac{1}{2} : \frac{2}{5} : \frac{3}{4}$$. What is the share of the kid who got the maximum share?
35 girls can complete a piece of work in 12 days. If 5 fewer girls are put on the work, in how many days can they complete the work?
Select the number that will come in place of the question mark (?) in the following mathematical statement.
$$\frac{12}{15}$$ of 40% of 1800 = ? $$\times$$ 480
The selling price of a pen is ₹660. If the profit is 20%, then what is the nominal profit earned on the sale of the pen?
The marked price of a bottle is ₹2,600. Two successive discounts of 10% and 30% are given. What is the selling price?
₹15,000 is lent for one year at the rate of 20% per annum, the interest being compounded annually. If the compounding of the interest is done half - yearly, then how much more interest will be obtained at the end of the one-year period on the same initial sum?
