Find wrong number in series: 1, 4, 9, 16, 25, 32, 49, 64 (A) 9 (B) 25 (C) 32 (D) 64 Answer: (C) Explanation: Square… Read More

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[(723+1992)2−(723−1992)2]/(723×1992) = ? (A) 4 (B) 723 (C) 1992 (D) 2715 Answer: (A) Explanation: 4*723*1992/(723*1992) = 4Quiz of this QuestionPlease comment below if you find anything… Read More

Three numbers are in the ratio of 2 : 3 : 4 and their L.C.M. is 240. Their H.C.F. is: (A) 40 (B) 20 (C)… Read More

Given an n x n matrix mat[n][n] of integers, find the maximum value of mat(c, d) – mat(a, b) over all choices of indexes such… Read More

In what ratio a vendor should mix rice at Rs.60 per kg with rice at Rs. 68 per kg so that the final rice mixture… Read More

How many kg of rice, of cost 9 Rs/kg must be mixed with 27 kg of rice of cost 7 Rs/kg get a gain of… Read More

There are two drums of vanaspati gee. One of them contains 25% of oil (and rest 75% gee) and the another contains 50% oil (and… Read More

Rice of rate Rs. 126 per kg and Rs. 135 per kg and 3rd variety in the ratio 1 : 1 : 2. If the… Read More

Multi-threaded programs may often come to a situation where multiple threads try to access the same resources and finally produce erroneous and unforeseen results. So… Read More

For a shirt cost price = 400Rs. Shopkeeper prints a tag on it with Markup% = 20% to earn a profit of 7.5%. What is… Read More

Q. A young pair of chinchillas (one of each sex) is placed on an island. A pair of chinchillas does not breed until they are… Read More

Suppose we have a string of length- n and we want to generate all combinations/permutations taken r at a time with/without repetitions. There are four… Read More

Using Java in competitive programming is not something many people would suggest just because of its slow input and output, and well indeed it is… Read More

Given an N x N matrix, find a k x k submatrix where k <= N and k >= 1, such that sum of all… Read More

At what time will the hrs hand and minute hand will be pointing just opposite to each other between 7:00 AM and 8:00 AM? (A)… Read More

Recently I appeared in interview for MTS-1 Adobe. Here is my experience. Written Round: Very easy aptitude Questions on geometry, DI, profit loss etc. Main… Read More

How to do the following operations efficiently if there are large number of queries for them. Insertion Deletion Searching Clearing/Removing all the elements. One solution… Read More

Round 1: It was a written round with three question. Q1) Find a peak element. Q2) Top View of binary tree. Q3) Maximum difference between… Read More

Round 1: It was a writen round with three questions : 1. Find a row with maximum number of 1’s in a sorted 2D Boolean… Read More

Write a code to convert a matrix in specific way without using extra space. Input: 1 2 3 4 5 6 7 8 9 Output:… Read More