Arithmetic
Quantitative Ability
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#17 The average height of a class of 14 boys is 5.3 feet. After a new boy is admitted to the class, the new average becomes 5.25. What is the height of the new boy?
A) 4.55
B) 5.0
C) 6.0
D) 3.5
#18 A man bought 27 packets of Chilli Milli at $280 each, 9 packets at $320 each, and 6 packets at $360 each. Find the average price per packet.
A) $250
B) $300
C) $400
D) $380
#19 Out of 44 boys in a class, 9 are 10 years old, 15 are 9 years old, and the rest are 8 years old. Find their average age.
A) 7.85
B) 8.75
C) 12.2
D) 14.35
#20 The population of 8 villages is 900, 750, 1100, 1050, 835, 1250, 555, and 630. Find the population of the ninth village if the average population of all nine villages is 900.
A) 1200
B) 1050
C) 1030
D) 7070
#21 What is the number, 5% of which is 10?
A) 200
B) 100
C) 50
D) 10
#22 What is the sum of money, 6% of which is 18 dollars?
A) 600
B) 200
C) 300
D) 10
#23 Find the sum of money, 11% of which is Rs. 1650.
A) 150
B) 3300
C) 25000
D) 15000
#24 A man has Rs. 2000 and spends 18% of it. What money has he left now?
A) 3600
B) 820
C) 1640
D) 4000
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