Question
In what ratio should coffee powder costing Rs 2500/kg
be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?Solution
Given 2500 per kg and 1500 per kg resultant is 2250 per kg By applying the rule of allegation require ratio =(2250-1500)/(2500-2250) =750:250 =3:1
Simplify:
(√3 + 1)/(√3 − 1) + (√3 − 1)/(√3 + 1)
(537824)Â -3/5Â = ?
If 2x = 3y = 6-z, then (1/x) + (1/y) + (1/z) =?
(0.64)Â -1.5Â = ?
(0.81)Â -1.5Â = ?
(0.04) -2.5 = ?
Find the remainder when 798 is divided by 5.
Which among the following is the greatest?
296, 372, 460, 548
Simplify: (16)(3/4) × (8)(2/3)