Two vessels contain milk and water mixed respectively in the ratio 3:1
2:1
2:5
2:77
2:9
22.
A camera was sold at a loss of 10 per cent. If it was sold for Rs. 70 more, there could have been gain of four per cent. The camera was sold for:
RS. 400
RS. 450
RS. 500
RS.550
23.
The arithmetic mean of 73.8, 92.2, 64.7, 43.8, 56.5 and 46.4 is:
22.22
62.9
57.5
4.4
24.
A car passes city x at 09:55 am and city y at 10:15 am, city x is 30 miles from city y. What is average rate of car, in miles per hour?
30
86
90
28
25.
Supposing that telegraph poles on the rail road are 50 metre apart. How many will be passed by a train in two hours if the speed of the train is 40 km/hour?
1200
600
1600
700
26.
Akbar receives a salary raise from Rs. 25000 to Rs. 27500. Find the percentage of increase:
45
10
67
77
27.
The population of town has increased from 80,000 to 100,000 in the last 20 years. Find out the percentage of increase:
405
67%
25%
45%
28.
10 minutes after a plane leaves the airport, it is reported that the plane is 40 miles away. What is the average speed of the plane in miles per hours?
204
240
042
420
29.
If a man walks 'w' miles in 4 hours and then rides 'r' miles in the same length of time. What is his average rate in miles per hour for the entire trip?
R+w /8
2(R+w)/ 4
R+w /4
NONE
30.
Oranges are bought at 9 for a rupee and an equal number at 7 for a rupee. What is the gain or loss percentage if they are sold at 8 for a rupee?