Question
An item is purchased for Rs. 300 and its price is marked
up by (50/3)% above the cost. After offering a 20% discount on the marked price, the item is sold. Calculate the overall profit or loss from this sale.Solution
Marked price of the article = 300 + 300 X (50/300) = Rs. 350 So, selling price of article = 350 X 0.8 = Rs. 280 So, overall loss = 280 - 300 = Rs. 20 Hence, option d.
Find the simplified value of:
(tan 40 º  + tan 20 º )/(1 - tan 40 º tan 20 º)
What is the value of cos75°?Â
sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?
What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?
If tan 3.5θ x tan 6.5θ = 1 then the value of tan 5θ is
Take θ = 450
(cos5°+sin5°)/(cos5°-sin5°) is equal to: