1). in ------------ years a sum will double at 5% p.a.compound interest.
a). 15yrs3months, b).14yrs2monts, c).14yrs3month d). 15yrs2months.
2). the sum of a certain number of terms of an ap series -8,-6,-4,......................is 52.the no.of terms is
a).12 b).13
c).11 d).none.
3). on the avg experienced person does 5 units of work while a fresh one 3 units of work daily but the employer has to maintain an output of at least 30 units of work per day.tis situation can be expressed as
a).5x+3yless30. b).5x+3ygreater30
c).5x+3y less than equal to 30 d).none.
4). integrate(4,2)(3x-2)^2dx and the value is
a).104 b).100
c).10 d).none.
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