If a, b, c and d are four different positive integers selected from 1 to 25, then the highest possible value of [(a + b) + (c + d)] / [(a + b) + (c - d)] would be:

The tax rates for various income slabs are given below. Income Slab (Rs.) | Tax rate ≤ 500 | Nil > 500 to ≤ 2000 | 5% > 2000 to ≤ 5000 | 10% > 5000 to < 10000 | 15% There are 15 persons working in an organization. Out of them, 3 to 5 persons are falling in each of the income slab…

An ascending series of numbers satisfies the following conditions: i. When divided by 3, 4, 5 or 6, the numbers leave a remainder of 2. ii. When divided by 11, the numbers leave no remainder. The 6th number in this series will be:

In the beginning of the year 2004, a person invests some amount in a bank. In the beginning of 2007, the accumulated interest is Rs. 10,000 and in the beginning of 2010, the accumulated interest becomes Rs. 25,000. The interest rate is compounded annually and the annual interest…

In an examination, two types of questions are asked: one mark questions and two marks questions. For each wrong answer, of one mark question, the deduction is 1/4 of a mark and for each wrong answer, of two marks question, the deduction is 1/3 of a mark. Moreover, 1/2 of a mark i…

If f(x² - 1) = x⁴ - 7x² + k₁ and f(x³ - 2) = x⁶ - 9x³ + k₂ then the value of (k₂ - k₁) is

For a positive integer x, define f(x) such that f(x + a) = f(a × x), where a is an integer and f(1) = 4. If the value of f(1003) = k, then the value of 'k' will be:

Two diagonals of a parallelogram intersect each other at coordinates (17.5, 23.5). Two adjacent points of the parallelogram are (5.5, 7.5) and (13.5, 16). Find the lengths of the diagonals.

Devanand's house is 50 km West of Pradeep's house. On Sunday morning, at 10 a.m., they leave their respective houses. Under which of the following scenarios, the minimum distance between the two would be 40 km? Scenario I: Devanand walks East at a constant speed of 3 km per hour…