Quantitative aptitude Question for all banking Bank PO,Clerk,IBPS PO,Railway,SSC,PSUs,IAS,OAS ,C-SAT Exams

Mathmetics

ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

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Q571.

A person buys an old TV for Rs. 4500 and spends Rs. 300 on its repairs. If he sells the scooter for Rs. 6000, his gain percent is:

1)	16%	2)	18%
3)	20%	4)	25%
5)	None of these

Answer : 25%
Explanation :

Cost Price (C.P.) = Rs. (4500 + 300) = Rs. 4800.

Selling Price (S.P.) = Rs. 6000.

Gain = (S.P.) - (C.P.) = Rs.(6000 - 4800) = Rs. 1200.

Gain % = = 25%

View Answer

Q572.

An article was sold at a profit of 15%. Had it been sold for Rs.600, the profit would have been 25%. At what price was it sold ?

1)	Rs.575	2)	Rs.750
3)	Rs.552	4)	Rs.552
5)	None of these

Answer : Rs.552
Explanation :

Given profit is 25%, S.P. = Rs.600

So, C.P. = (600/125)/100 = Rs. 480

So, Initial S.P. = (480/100) x 100 =Rs. 552.

SHORT-CUT METHOD:

(600/125) x (115/100) x 100 = 552

View Answer

Q573.

The percent profit made when article is sold for Rs.96 is twice as much as when it is sold for Rs.88. What is the cost price of the article ?

1)	Rs. 72	2)	Rs. 80
3)	Rs. 76	4)	Rs. 78
5)	None of these

Answer : Rs. 80
Explanation :

Let the cost be Rs. x.

According to equation Rs(96 - x) = 2(88 - x)

Or x = Rs. 80.

View Answer

Q574.

There are 728 students in a school, 162 come to the school by bus, 384 on bicycles and the rest by walk. What percentage of students comes to the school by walk ?

1)	35%	2)	25%
3)	40%	4)	33%
5)	None of these

Answer : 25%
Explanation :

Total number of students in the school = 728

Number of students who come by bus = 162

Number of students who come on bicycle = 384

Adding these two, we get 546.

728 � 546 = 182 students come by walk.

So, % of students who come by walk to the school = (182/728)x 100 = 25%

View Answer

Q575.

35% of a number is 175. What % of 175 is the number ?

1)	285.71%	2)	283.71%
3)	289.91%	4)	285.71%
5)	None of these

Answer : 285.71%
Explanation : Let �x� be the number

(35/100)x = 175

or x= (175 x 100)/35

So,required percentage = (500/75)/100 = 285.71%

View Answer

Q576.

A candidate scoring 25% in an examination fails by 30 marks while another candidate who scores 50% marks gets 20 marks more than the minimum required for a pass. Find the full mark in the examination ?

1)	200	2)	240
3)	240	4)	500
5)	None of these

Answer : 200
Explanation :

Let, the full mark be x.

The first candidate's pass mark = (25/100)x +30

The second candidate's pass mark = ( 50/100 )x-20

So, (25/100)x +30 = ( 50/100 )x-20

Or x= 200

Shortcut Method :

Full-Mark = (Diff. in marks / diff.in %) x 100

View Answer

Q577.

In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:

1)	2500	2)	2600
3)	2700	4)	3000
5)	None of these

Answer : 2700
Explanation :

Number of valid votes = 80% of 7500 = 6000.

So, Valid votes polled by other candidate = 45% of 6000

= (45/100 x 6000 = 2700.

View Answer

Q578.

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:

1)	2:1	2)	3:2
3)	2:3	4)	3:1
5)	None of these

Answer : 3:1
Explanation :

Let man's rate upstream be x kmph.

Then, his rate downstream = 2x kmph.

(Speed in still water) : (Speed of stream) = (2x+2) /2 : (2x-x)/2

=3x/2: x/2 = 3 : 1.

View Answer

Q579.

A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water ?

1)	10kmph	2)	12kmph
3)	15kmph	4)	18kmph
5)	None of these

Answer : 15kmph
Explanation :

Let the speed of the boat in still water be x kmph. Then,

Speed downstream = (x + 3) kmph,

Speed upstream = (x - 3) kmph.

(x + 3) x 1 = (x - 3)/2 x3

Or 2x + 6 = 3x - 9

Or x = 15 kmph.

View Answer

Q580.

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place ?

1)	2.4 km	2)	2.5km
3)	3km	4)	3.6km

Answer : 2.4 km
Explanation :

Speed downstream = (5 + 1) kmph = 6 kmph.

Speed upstream = (5 - 1) kmph = 4 kmph.

Let the required distance be x km.

Then,x/6 +x/4 = 1

Or 2x + 3x = 12

Or 5x = 12

Or x = 2.4 km.

View Answer

Previous 1 2...55 56 575859 60 61 62 63 Next

Mathmetics

Q571.

A person buys an old TV for Rs. 4500 and spends Rs. 300 on its repairs. If he sells the scooter for Rs. 6000, his gain percent is:

Q572.

An article was sold at a profit of 15%. Had it been sold for Rs.600, the profit would have been 25%. At what price was it sold ?

Q573.

The percent profit made when article is sold for Rs.96 is twice as much as when it is sold for Rs.88. What is the cost price of the article ?

Q574.

There are 728 students in a school, 162 come to the school by bus, 384 on bicycles and the rest by walk. What percentage of students comes to the school by walk ?

Q575.

35% of a number is 175. What % of 175 is the number ?

Q576.

A candidate scoring 25% in an examination fails by 30 marks while another candidate who scores 50% marks gets 20 marks more than the minimum required for a pass. Find the full mark in the examination ?

Q577.

In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:

Q578.

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:

Q579.

A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water ?

Q580.

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place ?

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