Hello Aspirants. Welcome to Online Quantitative Aptitude section in AffairsCloud.com. Here we are creating question sample From all topics , which are Important for upcoming IBPS and RRB exams. We have included Some questions that are repeatedly asked in exams.
- Manish bought a chair set at 20% discount on the marked price. He sold the chair set for Rs 2875 with 15% profit on the marked price. At what price did he buy the set?
A. Rs 1875
B. Rs 2000
C. Rs 2275
D. Rs 2500
Answer
B. Rs 2000
Explanation:
Let MP = x
CP = 80/100 * x
SP = 115/100 * x which is given to be 2875
Find x and then CP - A shopkeeper sells 25 articles at Rs 45 per article after giving 10% discount and earns 50% profit. If the discount is not given, the profit gained is?
A. 20%
B. 25%
C. 66 2/3%
D. 13 1/3%
Answer
C. 66 2/3%
Explanation:
Let MP = x
SP of 1 article = 90/100 * x = 45, x = 50
CP of 1 article = 100/150 * 45 = 30
SP = 50, CP = 30, Find profit%
Find x and then CP - A and B can do a piece of work in 10 days and 17 days respectively. They start the work on alternate days with A starting the work. In how many days the work will be completed?
A. 12 8/17 days
B. 12 8/15 days
C. 12 days
D. 13 days
Answer
A. 12 8/17 days
Explanation:
2 day’s work of A + B = 1/10 + 1/17 = 27/170
Multiply by 6 both sides
12 day’s work of A + B = 162/170
Remaining work = 1 – 162/170 = 8/170 = 4/85
Now on 13th day A’s turn, he does 1/10 work in 1 day, so 4/85 work in 8/17 day.
Total days 12 8/17 - If 3/5 of a cistern is filled in 1 minute, how much more time will be required to fill the rest of it?
A. 30 sec
B. 40 sec
C. 36 sec
D. 24 sec
Answer
B. 40 sec
Explanation:
Cistern left = 1 – 3/5 = 2/5
Let 2/5 cistern fills in x minutes
So, 3/5 * x = 2/5 * 1, this gives x = 2/3 min or 40 sec - In a can, A and B are in the ratio 7 : 5. When 9 litres of mixture is drawn off and 9 litres of B is put in, the ratio of A : B becomes 7 : 9. How many litres of A was contained in the can initially?
A. 20
B. 21
C. 25
D. 28
Answer
B. 21
Explanation:
A = 7x litres, B = 5x litres
After drawing off 9 litres,
A left = 7x – 7/12 * 9 = (7x – 21/4) litres, B left = 5x – 5/12 * 9 = (5x – 15/4) litres
After adding 9 litres of B, B becomes (5x – 15/4 + 9) litres
Now, (7x – 21/4) / (5x – 15/4 + 9) = 7 / 9
Find x, x = 3, A contained in can = 7x = 21 litres - A sum of money lent out at simple interest amounts to Rs 720 after 2 yrs and to Rs 1020 after a further of 5 yrs. The sum is?
A. Rs 400
B. Rs 550
C. Rs 600
D. Rs 800
Answer
C. Rs 600
Explanation:
Further of 5 yrs means 7 yrs in total
SI for 5 (7-2) yrs = 1020 – 720 = 300
SI for 1 yr = 300/5 = 60
P + 2*SI = 720
P + 2*60 = 720
P = 600 - The ratio between the ages of A and B is 5 : 6 respectively. If the ratio between one-third age of A and half of B’s age is 5 : 9, then what is the age of B?
A. 15
B. 18
C. 20
D. Cannot be determined
Answer
D. Cannot be determined - A motorboat, whose speed is 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hrs 30 min. The speed of stream in km/hr is?
A. 4
B. 5
C. 6
D. 10
Answer
B. 5
Explanation:
Let speed of stream = x km/hr
30/(15+x) + 30/(15-x) = 9/2
Find x. - Ramesh can row a certain distance downstream in 6 hrs and return the same distance in 9 hrs. If the stream flows at the rate of 3 km/hr, find the speed of Ramesh in still water?
A. 15 km/hr
B. 17 km/hr
C. 20 km/hr
D. 25 km/hr
Answer
A. 15 km/hr
Explanation:
Speed in still water = 3(9+6) / 9-6 = 15 - The length of a rectangle is increased by 60%. By what percent should the width be decreased to maintain the same area?
A. 25%
B. 37%
C. 37 ½%
D. 50%
Answer
C. 37 ½%
Explanation:
60/(100+60) * 100
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