Quiz on Math Set 13

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Quiz on Math Set 13 :

Question 1 :

7 is added to a certain number, the sum is multiplied by 5, the product is divided by 9 and 3 is Subtracted from the quotient. The remainder left is 12. What is the number? 
A. 20
B. 30
C. 40
D. 5

Correct Ans: Option A

Question 2 :

A towel was 50 cm broad and 100 cm long. When bleached, it was found to have lost 20% of its length and 10% of its breadth. Find the percentage of decrease in area? 
A. 32
B. 28
C. 33
D. 24

Correct Ans: Option B

Question 3 :

2.56 ×(13)² = ?
A. 270.4
B. 432.64
C. 26.14
D. None

Correct Ans: Option D

Question 4 :

52 x 87 - 5000 = ? 
A. 4000
B. 4124
C. 3924
D. 4024

Correct Ans: Option B

Question 5 :

If √x-9 = 4 . Find the value of x? (X-9 is under root) 
A. 25
B. 5
C. 16
D. 75

Correct Ans: Option A

Question 6 :

A car is travelling at a constant rate of 45 km per hour. the distance travelled by Car from 10:40 am to 01:00 pm is? 
A. 165 km
B. 150 km
C. 120 km
D. 105 km

Correct Ans: Option D

Question 7 :

The mean weight of 150 students in a class is 60 kg. The mean weight of boys is 70 kg and that of girls is 55 kg. What is the number of boys in the class? 
A. 50
B. 60
C. 75
D. 100

Correct Ans: Option A

Question 8 :

What is the harmonic mean of 10, 20, 25, 40, and 50
A. 25
B. 30
C. 26.1
D. 21.3

Correct Ans: Option D

Question 9 :

What is 5% of 50% of 500? 
A. 12.5
B. 25
C. 1.25
D. 6.25

Correct Ans: Option A

Question 10 :

Which of the following has least number of divisors? 
A. 88
B. 91
C. 96
D. 99

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Math
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