Search Previous Year Questions

If Ashok and Koushika work together, then they can complete a piece of work in 20 days. However, if Ashok works alone and completes half the work and then Koushika takes over the task and completes the second half of the task, the task is completed in 45 days. How long will Ashok take to complete the task if he worked alone? Assume that Koushika is more efficient than Ashok.

A medicine - capsule is in the form of a cylinder with hemispherical ends. The total length of the capsule is 3 cm and the diameter of the cross - section of the cylinder is 1.4 cm. Find the approximate capacity (in cm³) of the capsule.

[Use n = $\frac{22}{7}$]

In a box, there are ₹10 notes, ₹20 notes and ₹50 in a ratio of 3 ∶ 5 ∶ 7. The total amount of notes is ₹3,360. Find the number of ₹20 notes and ₹50 notes taken together.

Find the simple interest on ₹3,660 at 5% per annum for 15 months.

I walk at a speed of 10 km/h and cover a distance in 2 hours. If I double my speed, how early would I reach my destination?

Three pipes are attached to a tank. The first one fills it completely in 5 hours, the second one fills it completely in 4 hours and the third one empties it in 20 hours. If all the three pipes are opened simultaneously at 7 a.m., at what time will the tank be completely filled?

Five consecutive even numbers are written in descending order. If 6, 8, and 10 are added to the first, second, and third numbers, respectively, and 13 is added to each of the last two numbers, the new sum of the numbers becomes 120% of the sum of the consecutive even numbers initially given. Find the square of the second largest of these five numbers.

If 15% of 55% of a number is 2475, then 51% of that number is _______.

If l = $\frac{6}{5}$ of m and m = $\frac{5}{8}$ of n, then the ratio of l ∶ n is :

If some items of clothing bought at prices ranging from ₹250 to ₹400 are sold at prices ranging from ₹350 to ₹550, then what is the maximum possible profit (in ₹) that might be made in selling 12 such items of clothing?