In an examination, 52% of the candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then the percentage of candidates, who passed in both the subjects, was
23
21
25
25
A.
23
Required percentage of candidates who passed in both the subjects
= (100 + 17 - (42 + 52)) = (117 - 94) = 23
In an election, there were only two candidates. One of the candidates secured 40% of votes and is defeated by the other candidate by 298 votes. The total number of votes polled is
745
1460
1490
1490
P and Q are 27 km away. Two trains with speeds of 24 km/hr and 18 km/hr respectively start simultaneously from P and Q and travel in the same direction. They meet at a point R beyond Q. Distance QR is
126 km
81 km
48 km
68 km
A boat covers 12 km upstream and 18 km downstream in 3 hours, while it covers 36 km upstream and 24 km downstream in
What is the speed of the current?
1.5 km/hr
1 km/hr
2 km/hr
2.5 km/hr
Two trains, A and B, start from stations X and Y towards Y and X respectively. After passing each other, they take 4 hours 48 minutes and 3 hours 20 minutes to reach Y and X respectively. If train A is moving at 45 km/hr, then the speed of the train B is
60 km/hr
64.8 km/hr
54 km/hr
54 km/hr
A train covers a distance between A and station B in 45 minutes, If the speed of the train is reduced by 5 km per hr, then the same distance is covered in 48 minutes. The distance between stations A and B is
60 km
64 km
80 km
80 km
Arun lends Rs 20,000 of two of his friends. He gives Rs 12,000 to the first at 8% p.a. simple interest. Arun wants to make a profit of 10% on the whole. The simple interest rate at which he should lend the remaining sum of money to the second friend is
8%
16%
12%
12%
An amount of money at compound interest grows up to ₹ 3,840 in 4 years and up to ₹ 3,936 in 5 years. Find the rate of interest.
2.5%
2%
3.5%
3.5%
A sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
9
27
6
6
Sita deposited ₹ 5,000 at 10% simple interest for 2 years. How much more money will Sita have in her account at the end of two years. If it is compounded semi-annually.
₹ 50
₹ 40
₹ 77.50
₹ 77.50