Quiz on Math Set 215

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Quiz on Math Set 215 :

Question 1 :

The average of 50 number is 38 .if two numbers 45 and 55 are discarded , the average of the remaining number is ?
A. 36.5
B. 37.0
C. 37.5
D. 37.52

Correct Ans: Option C

Question 2 :

The average score of a cricketer for 10 matches is 43.9 runs. If the average for the first six matches is 53 , the average for the last four matches is ?
A. 17.15
B. 29.75
C. 30.25
D. 31

Correct Ans: Option C

Question 3 :

The average height of 30 girls out of a class of 40 is 160 cms and that of the remaining girls is 156 cms. the average height of the whole class is ?
A. 156 cm
B. 159 cm
C. 161 cm
D. 160 cm

Correct Ans: Option D

Question 4 :

If a, b, c, d, e are five consecutive odd number , their average is ?
A. 5 (a + 4)
B. abcd/5
C. 5 (a + b + c + d + e)
D. None of these

Correct Ans: Option C

Question 5 :

Out of three numbers, the first is twice the second and is half of the third. If the average of three number is 56, the three number in order are ?
A. 48, 96, 24
B. 48, 24, 96
C. 96, 24, 48
D. 96, 48, 24

Correct Ans: Option B

Question 6 :

What is the greatest number that divides 263, 935 and 1383 leaving a remainder of 7 in each case ?
A. 30
B. 31
C. 32
D. 35

Correct Ans: Option C

Question 7 :

If (x+2) is the HCF of x² + ax + b and x² + cx + d , then which one of the following is correct ?
A. a + c = b + d
B. 2a + b = 2c + d
C. b + 2c = 2a + d
D. b - 2c = 2a - d

Correct Ans: Option C

Question 8 :

Find the greatest possible length which can be used to measure 4m 3cm, 4m 34cm and 4m 65cm exactly
A. 31 cm
B. 29 cm
C. 28 cm
D. 32 cm

Correct Ans: Option A

Question 9 :

Which of the following fractions is the greatest of all ? 7/8, 6/7, 4/5, 5/6 ?
A. 6/7
B. 4/5
C. 5/6
D. 7/8

Correct Ans: Option D

Question 10 :

L.C.M of 2/3, 4/9, 5/6 and 7/12 is ?
A. 1/18
B. 1/36
C. 35/9
D. 140/3

Correct Ans: Option D

Quiz Summary


Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Math
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