Quiz on Math Set 281

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Quiz on Math Set 281 :

Question 1 :

20 persons completed 1/3rd of the work in 12 days. How many more person are required to finish the rest work in next 12 days? 
A. 20
B. 12
C. 18
D. 40

Correct Ans: Option A

Question 2 :

A and B can together do a piece of work in 15 days. B alone can do it 20 days. In how many days can A alone do it ?
A. 30 days
B. 40 days
C. 45 days
D. 60 days

Correct Ans: Option D

Question 3 :

A and B can do a piece of work in 6 days and A alone can do it in 9 days. The time taken by B alone to do the same work is ? 
A. 18 days
B. 15 days
C. 12 days
D. 7.5 days

Correct Ans: Option A

Question 4 :

A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. In what time can they do it all working together ?
A. 12 days
B. 13 days
C. 16 days
D. 26 days

Correct Ans: Option C

Question 5 :

A and B can do a piece of work in 12 days. B and C in 15 days. C and A in 20 days. A alone can do the work in ?
A. 15 2/3 days
B. 24 days
C. 30 days
D. 4 days

Correct Ans: Option C

Question 6 :

Given interchanges : 
Signs + and - , numbers 4 and 8.
A. 4 + 8 - 12 = 12
B. 4 - 8 + 12 = 0
C. 8 + 4 - 12 = 24
D. 8 - 4 + 12 = 8

Correct Ans: Option B

Question 7 :

25% of 25% Is Equal To
A. 0.0625
B. 0.0210
C. 0.03145
D. 0.3210

Correct Ans: Option A

Question 8 :

The compounded ratio of (2 : 3), (6: 11) and (11 :2) is
A. 1:2
B. 2:1
C. 11:24
D. 36:121

Correct Ans: Option B

Question 9 :

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?
A. 3/13
B. 1/13
C. 3/52
D. 9/52

Correct Ans: Option A

Question 10 :

How many such pairs of digits are there in the number 421579368 each of which has as many digits between them in the number as when they are arranged in ascending order?
A. One
B. Two
C. Three
D. None

Correct Ans: Option C

Quiz Summary


Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Math
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