Total number of pens sold by A = 50% of 400 = 200 Total number of black pens sold by A = 200 – 500 = 150 Total number of pens sold by B = 75% of 600 = 450 Total number of black pens sold by B = 450 – 190 = 260 Total number of pens sold by C = 60% of 800 = 480 Total number of black pens sold by C = 480 – 80 = 400 Black pens sold by all the shopkeepers = 150 + 260 + 400 = 810 Total pens of all three shops = 400 + 600 + 800 = 1800 Required % = (810/1800) × 100 = 45%
Three series are given below. You have to find the values of P, Q and R, then establish a relationship among them.
I:Â Â 840, P , 584, 456,...
If 16 15 26 69 260 x,
Find 75% of x+ x
10                          15                          ?                    Â...
53 ? 55 49 57 47
...34    36    75    230    ?     4646
31     35      60     124      ?      441
...18Â Â Â 19Â Â Â Â 28Â Â Â Â 53Â Â Â 102Â Â Â ?
61, 48, ?, 35, 87, 22
97 106 121 138 157 180
...18Â Â Â Â Â Â Â Â Â Â 434Â Â Â Â Â Â Â Â 642Â Â Â Â Â Â Â Â 746Â Â Â Â Â Â Â Â 798Â Â Â Â Â Â Â Â ?
...