quantitative aptitude

Question A running man crosses a bridge of length 500 meters in 4 minutes. At what speed he is running? Type multiple_choice Option 8.5 km/s incorrect Option 7.5 km/s correct Option 9.5 km/s incorrect Option 6.5 km/s incorrect Solution Speed =500⁄240=25⁄12m/s We need answer in km/hr: Speed in km/hr=25⁄12*18⁄5=90⁄12⟶30⁄4= 7.5 km/s

Question Four years ago a man was 6 times as old as his son. After 16 years he will be twice as old as his son. What is the present age of man and his son? Type multiple_choice Option 34, 9 correct Option 33, 7 incorrect Option 35, 5 incorrect Option 36, 6 incorrect Solution

Question A mother is twice as old as her son. If 20 years ago, the age of the mother was 10 times the age of the son, what is the present age of the mother? Type multiple_choice Option 38 years incorrect Option 40 years incorrect Option 43 years incorrect Option 45 years correct Solution Let

Question Sohan started a business with a capital of Rs. 80000. After 6 months Mohan joined as a partner by investing Rs. 65000. After one year they earned total profit Rs. 20000. What is share of Sohan in the profit? Type multiple_choice Option Rs. 5222.2 incorrect Option Rs. 5777.7 correct Option Rs. 6222.2 incorrect Option

Question What is the difference in the place value of 5 in the numeral 754853? Type multiple_choice Option 49500 incorrect Option 49950 correct Option 45000 incorrect Option 49940 incorrect Solution The digit 5 has two place values in the numeral, 5 * 105 = 50,000 and 5 * 101 = 50.   ∴Required difference =

Question What is the average of first five multiples of 12? Type multiple_choice Option 36 correct Option 38 incorrect Option 40 incorrect Option 42 incorrect Solution Average = 12∗(1+2+3+4+5) ∗ Apti Average 1/5   = 12 ∗ 15∗ 1/5   = 12 ∗ 3= 36

Question If 15 toys cost Rs. 545, what do 37 toys cost ? Type multiple_choice Option Rs. 1344 correct Option Rs. 1200 incorrect Option Rs. 1668 incorrect Option Rs. 1542 incorrect Solution Let the required cost be Rs. x. More toys, More cost (Direct proportion) Therefore 15 : 37 :: 545 : x (15 *

Question 275, 132, 462, 396, 327, 891, 121 Type multiple_choice Option 327 correct Option 275 incorrect Option 121 incorrect Option 396 incorrect Solution In each number except 327, the middle digit is the sum of the other two.

Question How many words can be formed  by using all letters of word ALIVE. Type multiple_choice Option 86 incorrect Option 95 incorrect Option 105 incorrect Option 120 correct Solution The word ALIVE contains 5 different letters Therefore, Required number of words = 5p5 = 5! = (5*4*3*2*1) = 120

Question Find the compound interest on Rs. 25000 in 2 years at 4% per annum. The interest being compounded half yearly. Type multiple_choice Option Rs 3570.250 incorrect Option Rs 2896.598 incorrect Option Rs 2060.804 correct Option Rs 1050.200 incorrect Solution Given: Principal = Rs. 25000, Rate = 4 % per half year, Time = 2