Quiz on Math Set 172

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Quiz on Math Set 172 :

Question 1 :

A shopkeeper buys an article for Rs.180. He wishes to gain 20% after allowing a discount of 10% on the marked price to the customer. The marked price will be
A. Rs.300
B. Rs.270
C. Rs.210
D. Rs.240

Correct Ans: Option D

Question 2 :

The true discount on Rs.1, 860 due after a certain time at 5% is Rs.60. Find the time after which it is due.
A. 1 year
B. 9 months
C. 10 months
D. 8 months

Correct Ans: Option D

Question 3 :

After allowing a discount of 12% on the marked price, a shopkeeper still gains 21%. The marked price is above the cost price by
A. 42.5%
B. 37.5%
C. 25%
D. 30%

Correct Ans: Option B

Question 4 :

A and B can complete a piece of work in 30 days, B and C in 20 days, while C and A in 15 days. If all of them work together, the time taken in completing the work will be
A. 13 1/3 days
B. 12 2/3 days
C. 10 days
D. 12 days

Correct Ans: Option A

Question 5 :

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in
A. 4 days
B. 3 3/7 days
C. 1/4 days
D. 7/24 days

Correct Ans: Option B

Question 6 :

A and B can do a piece of work in 72 days. B and C can do it in 120 days, A and C can do it in 90 days. In how many days all the three together can do the work ?
A. 150 days
B. 60 days
C. 80 days
D. 100 days

Correct Ans: Option B

Question 7 :

If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in
A. 40 days
B. 30 days
C. 18 days
D. 24 days

Correct Ans: Option D

Question 8 :

A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work ?
A. 150 days
B. 120 days
C. 80 days
D. 100 days

Correct Ans: Option B

Question 9 :

A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is
A. 20 days
B. 15 days
C. 10 days
D. 12 days

Correct Ans: Option B

Question 10 :

If A and B together can finish a piece of work in 20 days, B and C in 10 days and C and A in 12 days, then A, B, C jointly can finish the same work in
A. 7/60 days
B. 60/7 days
C. 30/7 days
D. 30 days

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [D],     Q.2 [D],     Q.3 [B],     Q.4 [A],     Q.5 [B],     Q.6 [B],     Q.7 [D],     Q.8 [B],     Q.9 [B],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Math
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