Question

2. In A ABC, LB = 90°, If AB = 24 cm, BC = 7 cm then the value of SinA is
24
a)24/7
b)7/25
c)25/7
d)25/24
sin=opp/hyp
bc/ac
ab=24 bc=7
24²=576
7²=49
ab² +bc²=ac²
24²+7²=ac²
576+49=ac²
625=ac²
25²=ac²
25=ac
sin A = 7/25
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Answer 1

A shopkeeper has 5 dozens of apple on selling 12 apples for rs 600 , he incurs a loss equal to the cost price of 2 apples. at what total price should he mark the remaining 4 dozens so that even after giving 20% discount , he would have an overall gain of 10%

Cᴏᴘɪᴇᴅ :-)