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. Do see the solutions, you might get any shortcut.
- One year ago the ratio between A’s and B’s age was 4 : 3. One year hence the ratio of their ages will be 5 : 4. What is the sum of their present ages in years?
A. 15 yrs
B. 16 yrs
C. 17 yrs
D. None of theseB. 16 yrs
Explanation:
A’s age one year ago was 4x, B’s age one year ago was 3x.
One year hence (or after 2 yrs from 4x and 3x):
(4x + 2)/(3x + 2) = 5/4
x = 2
A’s present age = 4x + 1 = 4*2 + 1 = 9 yrs. B’s present age = 3x + 1 = 3*2 + 1 = 7 yrs. - By selling a horse for Rs 450, a tradesman would lose 10%. At what price must he sell it to gain 20%?
A. Rs 600
B. Rs 650
C. Rs 630
D. None of theseA. Rs 600
Explanation:
(100 – 10)% = 90% makes 450
For 1%, it is 450/90 = 5.
So for (100 + 20)% = 120%, S.P. would be 5*120 = 600 - By selling 6 articles, a tradesman makes a profit equal to the cost price of 4 articles. Find profit%.
A. 20%
B. 100/3%
C. 200/3%
D. None of theseC. 200/3%
Explanation:
S.P of 6 articles – C.P of 6 articles = C.P of 4 articles
S.P of 6 articles = C.P of 10 articles
Profit% = (10 – 6)/6 * 100 = 200/3% - In what proportion must water be mixed with alcohol to gain 16 2/3% by selling it at cost price?
A. 1 : 5
B. 1 : 6
C. 6 : 1
D. None of theseB. 1 : 6
Explanation:
Ratio:
16 2/3 : 100
50/3 : 100
50 : 300
1: 6 - In 30 litres solution, ratio of milk to water is 7 : 3. How much water is to added to this mixture such that there is 40% water in the final mixture?
A. 6 litres
B. 5 litres
C. 7 litres
D. None of theseB. 5 litres
Explanation:
In 30 L solution, milk is 7/10 * 30 = 21 L, then water is 30 – 21 = 9 L.
Let x L of water to be added. Then,
40/100 (30 + x) = 9 + x
x = 5 L - 40 men can cut 60 trees in 8 hrs. If 16 men leave the job how many trees will be cut in 12 hrs?
A. 82
B. 62
C. 54
D. None of theseC. 54
Explanation:
Men left = 40 – 16 = 24
40 * 8 * W2 = 24 * 12 * 60
W2 = 54 trees - If 3 men or 4 boys can do a piece of work in 43 days, how long will 7 men and 5 boys take to do the same work?
A. 12 days
B. 14 days
C. 16 days
D. None of theseA. 12 days
Explanation:
43*3*4 / (7*4 + 5*3) = 12 - A certain number of men can do a work in 60 days. If there were 8 men more it could be finished in 10 days less. How many men were there initially?
A. 40 men
B. 45 men
C. 42 men
D. None of theseA. 40 men
Explanation:
Let number of men = x.
8 more men means x + 8, 10 days less means (60 – 10) = 50 days. Then,
x*60 = (x + 8)*50
x = 40 men - A and B enter into a partnership for a year. A contributes Rs 1500 and B Rs 2000. After 4 months C also enters with Rs 2250. If B withdraws his contribution after 9 months, how much would C get if they share a profit of Rs 1200 at the end of the year?
A. Rs 500
B. Rs 400
C. Rs 300
D. None of theseB. Rs 400
Explanation:
A : B : C
= 1500*12 : 2000*9 : 2250*8
= 1 : 1 : 1
Each of then gets Rs 400 - The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5 : 3. If each saves Rs 2000, what is A’s income?
A. Rs 15,000
B. Rs 12,000
C. Rs 14,000
D. None of theseB. Rs 12,000
Explanation:
3x – 5y = 2000
2x – 3y = 2000
Solve the equations, x = 4000
So A’s income = 3x = 3*4000 = 12,000
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