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1. The average age of 14 girls and their teacher's age is 15 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?

35 years

32 years

30 years

29 years

2. Between a square of perimeter 44 cm and a circle of circumference 44 cm, which figure has larger area and by how much?

Square, 33 cm^{2}

Circle, 33 cm^{2}

Both have equal areas

Square, 495 cm^{2}

3. 800 chocolates were distributed among the students of a class. Each student got twice as many chocolates as the number of students in the class. The number of students in the class was –

25

30

35

20

4. The sum and the product of the two numbers are 12 and 35 respectively. What will be the sum of their reciprocals?

1/3

1/5

12/35

35/12

5. The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and dullest 25%, a mean score of 31. The mean score of remaining 55% is –

45

50

51.4 (approx)

54.6% (approx)