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  • Question
  • If sec (3x ? 20°) = cosec (3y + 20°), then what is the value of tan (x + y)?


  • Options
  • A. 1
  • B. ?3
  • C. 1/?3
  • D. 2?3

  • Correct Answer
  • 1/?3 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If 5x = 30-y = 6z , then what is the value of (xy + yz + zx)/xyz?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 3
    • Discuss
    • 2. If a + b + c = 9 and ab + bc + ca = 18, then what is the value of a3 + b3 + c3 ? 3abc ?

    • Options
    • A. 189
    • B. 243
    • C. 361
    • D. 486
    • Discuss
    • 3. If ? and ? are roots of the equation 3x2 ? 13x + 14 = 0 , then what is the value of (?/?) + (?/?)?

    • Options
    • A. 65/28
    • B. 53/14
    • C. 9
    • D. 85/42
    • Discuss
    • 4. If P=9, Q= 17 then the value of p2-q2-13

    • Options
    • A. 4
    • B. 1/4
    • C. 3
    • D. 1/3
    • Discuss
    • 5. If 1/2 is added to a number and the sum is multipled by 3, the result is 21. Then the number is

    • Options
    • A. 6.5
    • B. 5.5
    • C. 4.5
    • D. -6.5
    • Discuss
    • 6. If cot A = n/(n + 1) and cot B = 1/(2n + 1), then what is the value of cot (A + B)?

    • Options
    • A. -1
    • B. 0
    • C. 1
    • D. 2
    • Discuss
    • 7. If angles of measure (5y + 62°) and (22° + y) are supplementary , then value of y is

    • Options
    • A. 16°
    • B. 32°
    • C. 8°
    • D. 1°
    • Discuss
    • 8. If cos?cos?=m and cos?sin?=n, then the value of m2+n2 cos2? is

    • Options
    • A. n2
    • B. m2
    • C. mn
    • D. 1
    • Discuss
    • 9. If 3P/5 = 7Q/2 = 7R/5, then what is the ratio of p, Q and R respectively?

    • Options
    • A. 3 : 2 : 5
    • B. 3 : 35 : 14
    • C. 5 : 7 : 5
    • D. 35 : 6 : 15
    • Discuss
    • 10. What is the value of 1xp-q+1+1xq-p+1 ?

    • Options
    • A. 0
    • B. 1
    • C. x
    • D. cant determine
    • Discuss


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