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The heights of 7 buildings are 12 m, 13 m, 14 m, 15 m, 16 m, 17 m and 18 m. The average height of 7 buildings is:

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Important Questions on Numerical Ability

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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 2
The average height of 10 students is computed as 153 cm. But it was found later on that 151 cm was wrongly read as 141 cm. The correct average height is:
MEDIUM
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 3
In a school, 85 boys and 35 girls appeared in an examination. The average marks of the boys were found to be 40% whereas the average marks of the girls were 60%. The average marks percentage of the school is:
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SSC
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DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 4
If the average of 5 observations x, x + 2, x + 4, x + 6, x + 8 is 11, then the average of the last three observations is:
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SSC
IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 5
The average age of 8 persons is 87 years. Of these the age of oldest is 2 years more than the one next. If these two persons are ignored, then the average age of the remaining 6 persons is 85 years. The age of the oldest person is (in years):
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 1
A, B and C share the profit in the ratio of 3:5:7. If the gain is Rs. 2,040, then C's share is:
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DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 2
Mishra, Sharma and Shukla started a business with Rs.47,000. Mishra puts Rs.5000 more than Sharma and Sharma Rs.3,000 more than Shukla. The share of Mishra out of the profit of Rs.14,100 will be:
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IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 3
A, B and C are three partners in a business. The profit share of A is 316 of the profit and B's share is 14 of the profit. If C receives Rs. 243, then the amount received by B will be:
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SSC
IMPORTANT
DDA Stenographer and Patwari Recruitment Exam>Chapter 21 - Numerical Ability>MULTIPLE CHOICE QUESTIONS>Q 4
A starts a business with Rs. 5,000. After 4 months B joins him with a sum of Rs.4,000. In the end of the year there is a profit of Rs.8,970. The share of A in the profit will be: