In a battle, the commander-in-chief arranges his soldiers in a formation of three concentric circles. The radii of the circles are in an arithmetic progression: the smallest radius is 70m (meters) and the largest is 140m. If each soldier is to be separated from the adjacent soldiers standing on the same circle by 1m, how many soldiers are required to complete the formation? (Consider π = 22/7.)

In a business school, only three specializations are offered: marketing, finance and operations. A student can opt for either one, or two, or no specializations. In the current batch of 120 students, 60 are specializing in marketing, 50 are specializing in finance and 30 are spec…

An archer, from the point A, is aiming at a target, placed on the top of a 56 feet tall tree. The base of the tree is at the point C. From the archer's position, the angle of elevation to the target is 45° from his eye level. The archer, facing the tree, moves backwards on the st…

Two buses travel between Jamshedpur and Kolkata in the opposite directions, on the same road. On that road, the maximum allowed speeds are different (but constant) for the opposite directions. Usually, both buses travel at the respective maximum allowed speeds to their respective…

From the passage: Brijbhushan, a microfinancier, lends money at the rate of Rs.10 per sq...

What is the interest owed by Chhuttan to Brijbhushan at the end of the year?

Consider a seven-digit number 735x6y4, divisible by 44, where the two digits x and y are unknown. Consider the following two additional pieces of information: I. x and y are even numbers II. x and y are equal To determine the values of x and y UNIQUELY, which of the above pieces…

The swimming pool in an exclusive club is a circular strip. A water flow is artificially maintained in the strip, along a clockwise direction, at a constant speed of 3km/h (kilometers/hour). One morning, Ayub and Rana start swimming at the same time from two diametrically opposit…

125 is multiplied by either 10 or 15. The resultant number is again multiplied by either 10 or 15. This process continues. Which of the following CANNOT be a resultant number at any point in time?

Three categories of candidates appear for an admission test: diligent (10%), lazy (30%) and confused (60%). A diligent candidate is 10 times more likely to clear the admission test compared to a lazy candidate. If 40% of the candidates clearing the admission test are confused, wh…