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Test 2

vidyadhar 21 preguntas

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Preguntas del test (21)

  1. 1What will be the LCM of 3/5, 5/15, 4/5, 7/25?
    1. A90
    2. B84
    3. C45
    4. D30
  2. 2How many even factors does the number 2^4 3^5 7^2 have?
    1. A76
    2. B72
    3. C36
    4. D128
  3. 3What is the highest power of 24 that can divide 80
    1. A32
    2. B34
    3. C24
    4. D26
  4. 4When p+7 is divided by 5 the remainder left was 4 then what will be the remainder when p-3 is divided by 5
    1. A-4
    2. B6
    3. C5
    4. D4
  5. 5If n is a natural number what is the remainder when (23*35*57*79)^5 is divided by 10?
    1. A1
    2. B0
    3. C3
    4. D5
  6. 6391/437 is to equal to a fraction p/q. What is the value of p/q?
    1. A19/17
    2. B23/29
    3. C39/17
    4. Dnone
  7. 7Which of the following cannot be a perfect square?
    1. A32761
    2. B78530
    3. C54289
    4. D57121
  8. 860 litres of diesel is required to travel 600 km using a 800 cc engine. If the volume of diesel required to cover a distance varies directly as the capacity of the engine, then how many litres of diesel is required to travel 800 kms using 1200 cc engine?
    1. A80 litres
    2. B90 litres
    3. C120 litres
    4. D170 litres
  9. 9The average temperature of all 7 days of the week is 300, that of the first 3 days is 280 and of the next 3 days is 310. What is the temperature on the last day of the week?
    1. A31
    2. B30
    3. C21
    4. D33
  10. 10A man can row 50 km upstream and 72 km downstream in 9 hours. He can also row 70 km upstream and 90 km downstream in 12 hours. Find the rate of current.
    1. A3 kmph
    2. B8 kmph
    3. C4 kmph
    4. DNone of these

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