Surds and Indices · General Aptitude

80 questions in this chapter.

General

ABC26GN1969 · If a+b+c=0, then the value of (xa )^a2-b c (xb )^b2-c a (xc )^c2-a b is equal to
ABC26GN1971 · (xbxc )(b+c-a) (xcxa )(c+a-b) (xaxb )(a+b-c)= ? · 2003
ABC26GN1972 · (xaxb )(a+b) (xbxc )(b+c) (xcxa )(c+a)= ? · 2006
ABC26GN1973 · (xaxb )1/a b (xbxc )1/b c (xcxa )1/c a= ?
ABC26GN1974 · The expression (x+1/y )a (x-1/y )b (y+1/x )a (y-1/x )b reduces to
ABC26GN1975 · The value of (x(b+c)/(c-a) )1/(a-b) (x(c+a)/(a-b) )1/(b-c) (x(a+b)/(b-c) )1/(c-a) is
ABC26GN1976 · If x1/p=y1/q=z1/r and x y z=1, then the value of p+q+r would be · 2008
ABC26GN1977 · If ax=by=cz and b2=a c, then y equals
ABC26GN1978 · If ax=b, by=c and cz=a, then the value of x y z is · 2008
ABC26GN1979 · If 2x=4y=8z and (1/2 x+1/4 y+1/6 z )=24/7, then the value of z is
ABC26GN1980 · Suppose 4a=5, 5b=6, 6c=7, 7d=8, then the value of abcd is (A.A.O. Exam, 2009)
ABC26GN1981 · If abc = 1, then  = ?  1   +   1 + c + a − 1  (C.D.S. 2004 287
ABC26GN1982 · If a, b, c are real numbers, then the value of a-1 b b-1 c c-1 a is
ABC26GN1983 · If 3(x-y)=27 and 3(x+y)=243, then x is equal to · 2003
ABC26GN1984 · If xy=yx, then (x/y )x/y is equal to · 2005
ABC26GN1985 · If 4x+y=1 and 4x-y=4, then the values of x and y respectively are
ABC26GN1986 · If 22 x-1+4x=2x-1/2+2x+1/2, then x equals
ABC26GN1987 · If 32 x-y=3x+y=√(27), the value of y is · 2005
ABC26GN1988 · If 3x=5y=45z, then · 2002
ABC26GN1989 · Given 2x=8y+1 and 9y=3x-9, the value of x+y is · 2010
ABC26GN1990 · What are the values of x and y that satisfy the equation 20.7 x 3-1.25 y=8 √(6)27 ? (C.A.T., 2006)
ABC26GN1991 · Let r be the result of doubling both thebase and the exponent of ab, b 0. If r equals the product of ab by xb, then x equals · 2010
ABC26GN1993 · The greatest of √(2), [6]3, [3]4, [4]5 is · 2005
ABC26GN1994 · The largest number in the sequence 1,21/2, 31/3, 41/4, , n1/n is · 2005
ABC26GN1995 · If x=5+2 √(6), then (x-1)√(x) is equal to
ABC26GN1996 · If x1/3+y1/3=z1/3, then \(x+y-z)3+27 x y z \ equals
ABC26GN1997 · If x = 2 + 2 + 23 , 3 then the value of x3 – 6x2 + 6x is (R.R.B., 2008) QUANTITATIVE APTITUDE
ABC26GN1999 · The quotient when 10100 is divided by 575 is [SSC—CHSL (10+2) Exam, 2015] 25
ABC26GN2001 · 21? × 216.5 = 2112.4 [United India Insurance Co. Ltd., UIICL—Assistant (Online) Exam, 2015]
ABC26GN2002 · 32 × 10 [IBPS—RRB Office Assistant (Online) Exam, 2015]