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  • Question
  • A box contains 90 screws each of 100 gms and 100 bolts each of 150 gms. If the entire box weighs 35.5 kg, then the weight of the empty box is ?


  • Options
  • A. 10.5 kgs
  • B. 12 kgs
  • C. 9.6 kgs
  • D. 11.5 kgs

  • Correct Answer
  • 11.5 kgs 

    Explanation

    Screws weight = 90x100 = 9000gms
    bolts weight = 100 x 150 = 15000gms
    weight = screws + bolts => 24000 gms =>24 kg
    Given entire box weight = 35.5kg
    empty box = entire box weight - weight => 35.5kg - 24kg => 11.5kg
    so the empty box is 11.5kg.


  • Numbers problems


    Search Results


    • 1. What is the right most integer of the expression 65776759 + 54697467 ?

    • Options
    • A. 4
    • B. 6
    • C. 9
    • D. 0
    • Discuss
    • 2. A teacher multiplies 987 by a certain number and obtains 556781 as her answer. If in the answer, both 6 and 7 are wrong but the other digits are correct, then the correct answer will be

    • Options
    • A. 553681
    • B. 555181
    • C. 556581
    • D. 555681
    • Discuss
    • 3. Find the remainder when 1234 x 1235 x 1237 is divided by 8.

    • Options
    • A. 4
    • B. 2
    • C. 0
    • D. 6
    • Discuss
    • 4. How many numbers with distinct digits are possible product of whose digits is 18?

    • Options
    • A. 12
    • B. 8
    • C. 6
    • D. 4
    • Discuss
    • 5. 3x + y = 19 and x + 3y = 1. Find the value of 2x + 2y

    • Options
    • A. 20
    • B. 18
    • C. 11
    • D. 10
    • Discuss
    • 6. How many digits will be there to the right of the decimal point in the product of 95.75 and 0.2554 ?

    • Options
    • A. 6
    • B. 7
    • C. 8
    • D. 9
    • Discuss
    • 7. A sequence of natural number 2,3,5,6,10. Such that no square and no cube occurs in the term. Find the 300th term of sequence ?

    • Options
    • A. 322
    • B. 319
    • C. 321
    • D. 320
    • Discuss
    • 8. Which of the following is not a prime number?

    • Options
    • A. 5
    • B. 11
    • C. 21
    • D. 37
    • Discuss
    • 9. What should be the maximum value of B in the following equation? 8A9 ? 6B2 + 4C6 = 723

    • Options
    • A. 4
    • B. 1
    • C. 5
    • D. 7
    • Discuss
    • 10. How many prime numbers exist in 65×359×113 ?

    • Options
    • A. 29
    • B. 31
    • C. 33
    • D. 27
    • Discuss


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