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  • Question
  • There are several peacocks and deers in a cage (with no other types of animals). There are 72 heads and 200 feet inside the cage. How many peacocks are there, and how many deers ?


  • Options
  • A. 42 & 24
  • B. 38 & 26
  • C. 36 & 24
  • D. 44 & 28

  • Correct Answer
  • 44 & 28 

    Explanation

    Let
    x = peacocks
    y = deers

    2x + 4y = 200
    x + y = 72
    y = 72 - x
    2x + 288 - 4x = 200
    x = 44 peacocks
    y = 28 deers


  • Numbers problems


    Search Results


    • 1. How many prime numbers exist in 65×359×113 ?

    • Options
    • A. 29
    • B. 31
    • C. 33
    • D. 27
    • Discuss
    • 2. 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
    • 3. Which of the following is not a prime number?

    • Options
    • A. 5
    • B. 11
    • C. 21
    • D. 37
    • Discuss
    • 4. 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
    • 5. 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
    • 6. In a colored picture of blue and yellow color, blue and yellow color is used in the ratio of 4:3 respectively. If in upper half, blue : yellow is 2:3, then in the lower half blue : yellow is

    • Options
    • A. 1 : 1
    • B. 2 : 1
    • C. 26 : 9
    • D. 9 : 26
    • Discuss
    • 7. What is the measure of an interior angle of a regular decagon?

    • Options
    • A. 120°
    • B. 140°
    • C. 144°
    • D. 150°
    • Discuss
    • 8. The circumference of a circle is 88 cm, find its area?

    • Options
    • A. 616 sq cm
    • B. 308 sq cm
    • C. 154 sq cm
    • D. 77 sq cm
    • Discuss
    • 9. If the radius of a circumscribed circle in an equilateral triangle is 14 cm. Then what will be the radius (in cm) of the inscribed circle?

    • Options
    • A. 7
    • B. 14
    • C. 28
    • D. 35
    • Discuss
    • 10. What is the measure (in degree) of an exterior angle of a regular polygon of 9 sides?

    • Options
    • A. 36
    • B. 40
    • C. 30
    • D. 24
    • Discuss


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