Q. A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 5 m high, then the width of the street is :
1) 16 m
2) 17 m
3) 15 m
4) 14 m
Q. Three years from now Dharitri's age will be eight years less than twice Eunice's age. The sum of their present ages is 61 years. What is Dharitri's present age?
1) 39 years
2) 43 years
3) 36 years
4) 41 years
Q. Type 1 workers can do three times the work of type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 8 Type 2 workers to complete the same task?
1) 18
2) 20
3) 16
4) 17
Q. Which of the numbers given below is the square root of 15376?
1) 134
2) 128
3) 122
4) 124
Q. A train takes 10 seconds to cross a bridge of length 100 m travelling at 90 kmph. Find the length of the train in metres.
1) 120
2) 150
3) 140
4) 130
Q. Find a two digit number which is exactly three times the product of its digits?
1) 36
2) 48
3) 24
4) 12
Q. Umar and Avinash started a partnership with investments of Rs. 10,000 and Rs. 15,000 respectively but due to a financial emergency the latter had to withdraw his investment after 8 months. In what ratio should the profit of the first twelve months be shared among the duo?
1) 3 : 2
2) 2 : 3
3) 1 :1
4) 1: 2
Q. At 9.8% simple interest per annum a sum of money became Rs. 942 in 6 years. The sum initially invested was :
1) Rs. 600
2) Rs. 650
3) Rs. 675
4) Rs. 626
Q. In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the class?
1) 21
2) 19
3) 22
4) 20
Q. If the difference between the mode and median is 2, then the difference between the median and mean is : (in the given order).
1) 2
2) 4
3) 1
4) 3
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