A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is
75.5%
76%
76.5%
76.5%
An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 active men. The original strength of the army was
1500000
1000000
1200000
1200000
B.
1000000
Initial number of soldiers in the army = x
According to the question,
A bus travels 150 Km in 3 hours and then travel next 2 hours at 60 Km/hr. Then the average speed of the bus will be
55 km/hr
54 km/hr
50 km/hr
50 km/hr
A man can cover a certain distance in 3 hours 36 minutes if he walks at the rate of 5 Km/hr. If he covers the same distance on cycle at the rate of 24 Km/hr, then the time taken by him in minutes is
40
45
50
50
Due to inclement weather, an air plane reduced its speed by 300 km/ hr, and reached the destination of 1200 km late by 2hrs. Then the schedule duration of the flight was.
1 hour
1.5 hour
2 hour
2 hour
Three runners A, B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, while runner B finishes 8 meters ahead of runner C. Each runner travels the entire distance at a constant speed. The length of the race is
36 metres
48 metres
60 metres
60 metres
The compound interest on Rs. 4000 for 4 years at 10% per annum will be
Rs. 1856. 40
Rs. 1600
Rs . 1856
Rs . 1856
A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is
Rs. 2900
Rs. 2200
Rs. 2400
Rs. 2600
If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%.
Rs. 5500
Rs. 7200
Rs. 6500
Rs. 6500
A sum of money is invested at 20% compound interest (compounded annually). It would fetch Rs. 723 more if interest is compounded half-yearly. The sum is
Rs. 15,000
Rs. 30,000
Rs. 20,000
Rs. 20,000