This is a timed quiz.
You have 15 minutes to complete the 10 questions in this quiz.
Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is:
2 : 3
4 : 3
9 : 16
6 : 7
Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:
50 m
72 m
82 m
80 m
A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
12 days
15 days
16 days
18 days
Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:
15
18
16
25
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:
On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 7 balls. The cost price of a ball is:
Rs. 45
Rs. 50
Rs. 60
Rs. 72
The sum of ages of 5 children born at the intervals of 4 years each is 50 years. What is the age of the youngest child?
4 years
8 years
10 years
2 years
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 32, the how old is B?
10
8
14
12
The average of 30 numbers is zero. Of them, at the most, how many may be greater than zero?
0
19
30
29
A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?
Rs. 7.98
Rs. 8
Rs. 8.50
Rs. 9
