Quiz on Math Set 304

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Quiz on Math Set 304 :

Question 1 : 

The income derived from a 5.5% stock at 95 is ?
A. Rs. 5.50
B. Rs. 5
C. Rs. 5.28
D. None of these

View Answer
Correct Ans: Option A

Question 2 : 

The cost price of a Rs. 100 stock at 4 discount, when brokerage (1 / 4)% is ?
A. Rs. 96
B. Rs. (96 + 1/4)
C. Rs. (96- 1/4)
D. Rs. 100

View Answer
Correct Ans: Option B

Question 3 : 

By investing in 3.75% stock at 96, one earn Rs. 100. The investment made is ?
A. Rs. 36000
B. Rs. 3600
C. Rs. 2560
D. Rs. 4800

View Answer
Correct Ans: Option C

Question 4 : 

How much stock at 105 can be purchased for Rs. 1433.25 ?
A. Rs. 1365
B. Rs. 1635
C. Rs. 1355
D. None of these

View Answer
Correct Ans: Option A

Question 5 : 

The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increased by 0.15 m. What is the average height of the 5 boys who leave ?
A. 0.8 m
B. 0.9 m
C. 0.95 m
D. 1.05 m

View Answer
Correct Ans: Option A

Question 6 : 

The average monthly income of a family of four earning members was Rs. 15130. One of the daughters in the family got married and left home, so the average monthly income of the family came down to Rs. 14660. What is the monthly income of the married daughter?
A. Rs. 12000
B. Rs. 15350
C. Rs. 16540
D. Cannot be determined

View Answer
Correct Ans: Option C

Question 7 : 

The average marks obtained by 22 candidates in an examination are 45. The average marks of the first ten are 55 and that of the last eleven are 40. The number of marks obtained by the 11th candidates is-
A. 0
B. 45
C. 47.5
D. 50

View Answer
Correct Ans: Option A

Question 8 : 

The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average.
A. 40.2
B. 40.4
C. 40.6
D. 40.8

View Answer
Correct Ans: Option B

Question 9 : 

The average height of 35 girls in a class was calculated as 160 cm. It was later found that the height of one of the girls in the class was wrongly written as 144 cm, whereas her actual height was 104 cm. What is the actual average height of the girls in the class? ( rounded off to 2 digits after decimal)-
A. 158.54 cm
B. 158.74 cm
C. 159.56 cm
D. 158.86 cm

View Answer
Correct Ans: Option D

Question 10 : 

A student obtained the following marks in percentage in his semester examination English 50, Maths 65, Statistics 70, Economics 58 and Accountancy 63. The weights of these subjects are 2, 2, 1, 1 and 1 respectively. What is the weighted arithmetic mean?
A. 60
B. 61
C. 62
D. 63

View Answer
Correct Ans: Option A

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Math
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