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1. The average age of six boys is 13 years. If the age of one more boy is added to it, the average age increases by one year. What is the age of the new boy?
  • 1) 14 years
  • 2) 16 years
  • 3) 18 years
  • 4) 20 years
  • 5) 22 years

2. What percentage should be added to 75 to make it 120?
  • 1) 40%
  • 2) 45%
  • 3) 50%
  • 4) 60%
  • 5) 75%

3. The increase in population in some part of a city is 20% per year. If the population of that part of the city in 2002 was 2 lakh then it increased in 2005 to
  • 1) 2.896 lakh
  • 2) 3.456 lakh
  • 3) 4.84 lakh
  • 4) 4.42 lakh
  • 5) None of these

4. The ratio of the present ages of A to B is 8:5, The sum of their ages is 78 years. What will be the ratio of their ages 12 years hence?
  • 1) 9 : 4
  • 2) 10 : 7
  • 3) 12 : 7
  • 4) 7 : 3
  • 5) 8 : 5

5. What would be the compound interest obtained on an amount of ₹ 12400 at the rate of 15% per annum after two years.
  • 1) ₹ 3782
  • 2) ₹ 3860
  • 3) ₹ 3999
  • 4) ₹ 4012
  • 5) None of these

6. A person spends ₹ 4125 which is 33% of his monthly income, on house rent. What is his income per annum?
  • 1) ₹ 1.28 lakh
  • 2) ₹ 1.32 lakh
  • 3) ₹ 1.48 lakh
  • 4) ₹ 1.50 lakh
  • 5) None of these

7. The cost of 8 bats and 14 balls is ₹ 15400. What is the cost of 12 bats and 21 balls?
  • 1) ₹ 18700
  • 2) ₹ 20400
  • 3) ₹ 23100
  • 4) ₹ 24720
  • 5) None of these

8. The difference between 45% of a number and 18% of the same number is 172.8. What is 65% of that number?
  • 1) 408
  • 2) 412
  • 3) 416
  • 4) 420
  • 5) 424

9. The total number of students in a school is 2184. If the number of girls in the school is 858, what is the ratio of the total number of boys to the total number of girls in the school?
  • 1) 13 : 9
  • 2) 17 : 11
  • 3) 19 : 13
  • 4) 21 : 16
  • 5) 23 : 18

10. If A’s salary is 36% more than B’s, how much per cent is B’s salary less than A’s (Answer in approximate value)
  • 1) 36%
  • 2) 24.32%
  • 3) 26.47%
  • 4) 28.8%
  • 5) 64%

Answers:

  1. 4
  2. 4
  3. 2
  4. 2
  5. 3
  6. 4
  7. 3
  8. 3
  9. 2
  10. 3
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