IAF Group C Exam Free Mock Test 2

Indian Air Force Exam Group C Free Mock Test 2

Math Quiz Question 1. The average of first 50 natural numbers is …………. . A. 25.30 B. 25.5 C. 25.00 D. 12.25 Question 2. A fraction which bears the same ratio to 1/27 as 3/11 bear to 5/9 is equal to ……….. . A. 1/55 B. 55 C. 3/11 D. 1/11 Question 3. The number of 3-digit numbers divisible by 6, is ………….. . A. 149 B. 166 C. 150 D. 151 Question 4. What is 1004 divided by 2? A. 52 B. 502 C. 520 D. 5002 Question 5. A clock strikes once at 1 o’clock, twice at 2 o’clock, thrice at 3 o’clock and so on. How many times will it strike in 24 hours? A. 78 B. 136 C. 156 D. 196 Question 6. 125 gallons of a mixture contains 20% water. What amount of additional water should be added such that water content be raised to 25%? A. 15/2 gallons. B. 17/2 gallons. C. 19/2 gallons. D. 81/3 gallons. Question 7. 106 × 106 – 94 × 94 = ? A. 2004 B. 2400 C. 1904 D. 1906 Question 8. Which of the following numbers gives 240 when added to its own square? A. 15 B. 16 C. 18 D. 20 Question 9. Evaluation of 83 × 82 × 8-5 is …………. . A. 1 B. 0 C. 8 D. None of these. Question 10. The simplest form of 1.5 : 2.5 is …………… . A. 6 : 10 B. 15 : 25 C. 0.75 : 1.25 D. 3 : 5

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