If Geeta can give a start of 100 m of distance or 20 s of time to her friend Meena in a race of 1000… Read More

Ram and Shyam participate in a race of 200m. If Ram starts when Shyam has covered 25 meters, then Ram finishes the race 10 seconds… Read More

Problem: Three cars, an Alto, a Zen and a Nano were stolen. There are 3 suspects (Arun, Kartik and Varun). Each stole 1 vehicle. Here… Read More

Prerequisite : LCA basics, Disjoint Set Union by Rank and Path CompressionWe are given a tree(can be extended to a DAG) and we have many… Read More

A drum is full of water. Diameter of the drum is 35cm. The level of water will be dropped by how much, if 11 litres… Read More

A cube with sides of 5 cm is painted on all its faces. If sliced in 1 cm cubes, how many 1 cm cubes will… Read More

A 5 cm cube is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the original… Read More

A sheet of paper in square shape is rolled along its length to make it a cylinder. What is the ratio of the base radius… Read More

Like a class, an interface can have methods and variables, but the methods declared in an interface are by default abstract (only method signature, no… Read More

How many liters of water can filled in a tank of length, breadth and height of 4m,3 m and 1.5 m respectively? (A) 20000 lt.… Read More

The perimeter of a field of length 100 m.and breadth is 50 m is: (A) 500 m (B) 400 m (C) 300 m (D) 200… Read More

What is the radius of a circular field of area 616 sq.m? (A) 42 (B) 40 (C) 14 (D) 30 Answer: (C) Explanation: Quiz of… Read More

A PriorityQueue is used when the objects are supposed to be processed based on the priority. It is known that a Queue follows the First-In-First-Out… Read More

If an error of 10% excess is made in calculating the side of a square, the % error in its area is (A) 21 (B)… Read More

The sides of rectangular garden are 25 m x 49 m. What is the perimeter of a square garden with same area? (A) 120 (B)… Read More