Q. A residential area of 20 hectares is planned for three different types of plots of 500 m2, 300 m2 and 200 m2 with numbers of plot in each category are 100, 120 and 150 respectively. The rest of the area is allocated for roads and facilities such as schools, shops and parks. Each plot […]
Question A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water? Type multiple_choice Option 17.5 km/hr correct Option 18 km/hr incorrect Option 20.5 km/hr incorrect Option 22 km/hr incorrect Solution Apply formula: Speed in still water 1/2 (speed downstream + speed upstream) Speed
Q. A public utility building of 5000 m2 was constructed 5 years before, on a site of 1 hectare. The present value of open land in that location is Rs. 100/m2 and present construction cost of such building is Rs. 2500/m2. If the value of the building is assumed to be depreciating at a constant
Question If it was Wednesday on March 1, 2006, which day was it on March 1, 2002? Type multiple_choice Option Tuesday incorrect Option Friday correct Option Monday incorrect Option Sunday incorrect Solution Total number of odd days between the years 2002 and 2006 = (2006 – 2002) + 1 = 5 odd days. The year
If it was Wednesday on March 1, 2006, which day was it on March 1, 2002? Read More »
A cone, with a base of 10 cm diameter and axis of 12 cm, is lying on Horizontal Plane (HP) along its generator. The internal angle which the base of the cone makes with the HP is__________degrees. Ans: 67.6° Explanation: tan θ =height/base=12/5 θ=67.6° Alternatively, using Pythogorean theorem, hypotenuse i.e. the length of the cone
Question It was Saturday on January 1, 2005. Find the day of the week on January 1, 2010. Type multiple_choice Option Tuesday incorrect Option Friday correct Option Wednesday incorrect Option Sunday incorrect Solution On December 31, 2004, it was Friday. Number of odd days from the year 2005 to the year 2009 = 1+1+1+2(leap year)
It was Saturday on January 1, 2005. Find the day of the week on January 1, 2010. Read More »
Question The day on 5th April of a year will be the same day on 5th of which month of the same year? Type multiple_choice Option 5th July correct Option 5th August incorrect Option 5th June incorrect Option 5th October incorrect Solution April & July for all years have the same calendar. So, a day on any date of April will
Question How many days are there in y weeks y days? Type multiple_choice Option 8y correct Option 8y2 incorrect Option 16y incorrect Option 21y incorrect Solution There are 7 days in a week, so y weeks will contain 7y days. ∴The required number of days = 7y + y days = 8y days
Question Which of the following years is not a leap year? Type multiple_choice Option 800 incorrect Option 700 correct Option 1600 incorrect Option 2000 incorrect Solution A century divisible by 400 is a leap year. The years 800, 1600 and 2000 are divisible by 400, so they are leap years. The year 700 is not
Which of the following years is not a leap year? Read More »
Q. A colony of 50 people is served by a septic tank. The rate of water supply is 90 lpcd in the colony and 40% of it is going to the septic tank. The retention period of the tank is 24 hours. The length of the septic tank is___________________meter (rounded off to two decimal places).
