1) त्रिभुज LOK को क्षेत्रफल पत्ता लगाउनुहोस् । जहाँ LO= LK = 5cm र LB=3cm छन्।
Find the area of triangle LOK, where
LO=LK = 5 cm and LB = 3 cm. Ans: 12 cm?
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How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters