For the following questions answer them individually
The simple interest on a certain sum for 4 years is 28% of the sum. What will be the simple interest on a sum of ₹2,880 for $$3\frac{3}{4}$$ years at double the earlier rate?
A person increases his speed by 40% By doing so, he reaches his office 9 minutes before the usual time. How much time (in minutes) does be take usually to go to his office?
Eight years ago, the ratio of the ages of A and B was 4:5 and the ratio of their ages, 12 years hence. will be 13 : 15. The present age (in years) of B is:
Study the given graph and answer the question that follows.
In which year was the production of computers by the company 25% more than the average exports of computers during 2016 to 2018?
The value of $$5 - 5 \div5\times5+\left(6\div6 of 6\right)\times6-\left(3\frac{2}{3}\div\frac{11}{30}of\frac{2}{3}\right)\div5$$ is:
By selling an item for ₹1,035, there is a gain of 15%. If the item is sold for ₹922.50, then what is the gain/loss percentage?
What is the ratio of the mean proportional between 24.2 and 7.2, and the third proportional of 2.8 and 4.2?
A shopkeeper bought 500 notebooks. He sold 300 of them for the price he paid for all 500 notebooks. He sold 140 notebooks at 20% higher rate than that at which he sold 300 notebooks and the remaining at the cost price. What is the profit percentage in the whole transaction?
A is 25% less than B, B is 30% less than C, and C is 50% more than D. If the difference between A and C is 285. Then $$33\frac{1}{3}$$% of B is equal to:
Let $$x$$ be the greatest number by which when 448, 678 and 908 are divided, the remainder in each case is 11 . When 147 is divided by $$x$$. the remainder is: