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Data sufficiency Quiz for RRB PO & RRB CLERK : Quiz – 8
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Directions (1 – 10): Each question below is followed by two or three statements A or I, B or II, and C or III. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose between the possible answers. Read the statements and Answer.
1. What is Madhu’s present age?
A. Madhu’s age is 1/5 of her father’s age.
B. Madhu’s father’s age will be thrice Vinay’s age after 5 years.
C. Vinay’s seventh birthday was celebrated three years before.
(a) Only A and B together
(b) Only B and C together
(c) A and C together
(d) All A, B and C are necessary
(e) Even all together are not sufficient
2. What is the male population of the city?
A. The total population of the city is 40000.
B. If male population is increased by 4% the total population will be 41040.
C. If female population is increased by 10% the total population will be 41400.
(a) Only A and C
(b) Any two of them
(c) Only A and B
(d) All together are required
(e) Any one of them
3. What will be the average of three numbers
A. The largest no. is greater than the smallest by 20.
B. The sum of the largest and smallest numbers. is equal to twice the middle one.
C. The difference of the first two numbers is 10.
(a) Only A and C together
(b) Only B and C together
(c) Any two of them
(d) Question can’t be answered even after using all the statement
(e) All statements are required
4.A shopkeeper marks the price of an article and gives a discount of 20%. Find the marked price of the article.
A. If the discount is not given on the article then the shopkeeper gets 60% profit.
B. The cost price of the article is Rs 2500.
C. After giving the discount the shopkeeper gets 28% profit.
(a) Only A and B together
(b) Only B and C together
(c) Any two of them
(d) B and either A or C
(e) A and either B or C
5. In how many days can 32 workers complete a work?
A. 20% of the work can be completed by 16 workers in 4 days.
B. 64 workers can complete the work in 5 days.
C. Onefourth of the work is done by 20 workers in four days.
a) Any two of them
b) Only B
c) Either A or C only
d) A and C together
e) Any one of the three
6. A sum of money Rs 2550 is to be distributed among Krishna, Vijay and Ramaswami. What will be the share of Vijay?
I. Krishna’s share is 1.5 times Vijay’s share.
II. Ramaswami’s share is half the share of Krishna and Vijay together.
III. The share of Krishna is Rs 340 more than Vijay.
(a) Either I and II together or I and III together are sufficient
(b) Only I and II together are sufficient
(c) Only I and III together are sufficient
(d) All statements are required
(e) Even all together are not sufficient
7. What is the difference between two numbers X and Y?
I. X is 20 per cent more than another number Z.
II. Y is 20 per cent less than Z.
III. The sum of Y and Z is 72.
(a) Only I and II are required
(b) Only I and III are required
(c) All I, II and III are required
(d) Any two of I, II and III are required
(e) Even with all I, II and III together the answer cannot be arrived
8. What is the average age of the six members A, B, C, D, E& F in a family?
I. Total age of D & E is 14 years.
II. Average age of A, B, C and F is 50 years
III Average age of A, B, D and E is 40 years
(a) Only I & II
(b) Only I & III
(c) Only II & Ill
(d) All I, II & III
(e) None of these
9. What is the rate of interest pcpa?
I. An amount doubles itself at simple interest in 10 years.
II. The difference between the compound interest and the simple interest on an amount of Rs. 15,000 in two years is Rs. 150.
III. The compound interest accrued in 8 years is more than the amount (principal).
(a) Only I
(b) Only II
(c) Only II & III
(d) Only I & III
(e) Only either I or II
10. What will be the share of R in the profit earned by V, R and A together?
I. They together earned a profit of Rs. 54000 for a period of 1 yr.
II. R’s investment was 25% less than V’s and 50% more than A’s.
III. The profit of V is Rs. 4000 more than that of A.
(a) Only I and II together
(b) II and either I or III only
(c) Only II
(d) Only II and III together
(e) None of these
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