Directions (1-5): Study the following information carefully and answer the following questions. The given line graph shows the total number of days taken by five different persons (A, B, C, D and E) alone to complete the work.
1) Find the number of days taken to complete the work by B and D together.
a) 4 days
b) 5 days
c) 6 days
d) 9 days
e) None of these
Answer: C
2) If A and C are working together and after few
days, A left the work and the remaining work is
done by C alone for 5 days. Find the number of
days A worked.
a) 9 days b) 7 days c) 5 days d) 8 days e) None of these
Answer: A
2) If A and C are working together and after few
days, A left the work and the remaining work is
done by C alone for 5 days. Find the number of
days A worked.
Answer: A
3) Find the ratio of efficiency of C to the
efficiency of D.
a) 4:5 b) 5:1 c) 1:2 d) 3:4 e) None of these
Answer: D
4) If B and C are working together to finish the
work and D will destroy the work with a given
efficiency. Then find the number of days
required to finish the work, if all of them are
working together.
a) 10 days
b) 12 days c) 15 days d) 18 days e) None of these
Answer: B
3) Find the ratio of efficiency of C to the efficiency of D.
a) 4:5
b) 5:1
c) 1:2
d) 3:4
e) None of these
Answer: D
4) If B and C are working together to finish the
work and D will destroy the work with a given
efficiency. Then find the number of days
required to finish the work, if all of them are
working together.
a) 10 days
4) If B and C are working together to finish the
work and D will destroy the work with a given
efficiency. Then find the number of days
required to finish the work, if all of them are
working together.
a) 10 days
Answer: B
5) Find the number of days taken by A and E to
complete the work, if they are working
alternatively starting with A.
a) 22 1/4 days b) 12 1/4 days c) 27 1/3 days d) 18 2/3 days e) None of these
Answer: C
5) Find the number of days taken by A and E to
complete the work, if they are working
alternatively starting with A.
Answer: C
Directions (6-10): Read the following information carefully and answer the questions. The given table chart shows the Amount of investment and Rate of interest of four different persons namely P, Q, R and S.
6) R invests for 3 years in Simple interest. R reinvests the total amount obtained in simple interest for 2 years at the same interest rate in compound interest. Find the compound interest obtained by R.
a) Rs.1400
b) Rs.1650
c) Rs.1575
d) Rs.1750
e) None of these
Answer: C
7) P invests the amount in Simple interest for n
years and obtains an interest of Rs.450. Find
the investment time period for which P invests.
a) 3 years b) 7 years c) 10 years d) 5 years e) None of these
Answer: A
7) P invests the amount in Simple interest for n
years and obtains an interest of Rs.450. Find
the investment time period for which P invests.
Answer: A
8) Find the difference between the interest
obtained by S in Simple interest, if S invests the
same amount at the same rate of interest for 3
years and 5 years.
a) Rs.1200 b) Rs.800 c) Rs.1500 d) Rs.1000 e) None of these
Answer: D
8) Find the difference between the interest
obtained by S in Simple interest, if S invests the
same amount at the same rate of interest for 3
years and 5 years.
Answer: D
9) Find the difference between the interest
obtained by R in Simple interest and compound
interest when investing for 2 years.
a) Rs.100 b) Rs.150 c) Rs.75 d) Rs.200 e) None of these
Answer: A
9) Find the difference between the interest
obtained by R in Simple interest and compound
interest when investing for 2 years.
Answer: A
10) If Q decreases its investment by Rs.200 and
invests for 2 years at the same interest rate in compound interest, find the compound interest
obtained by Q.
a) Rs.520 b) Rs.720 c) Rs.420 d) Rs.620 e) None of these
Answer: C
10) If Q decreases its investment by Rs.200 and
invests for 2 years at the same interest rate in compound interest, find the compound interest
obtained by Q.
Answer: C
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