If 2sin y + cos y = √3 sin y, then find the value of tan y
2sin y + cos y = √3 sin y siny (√3-2) = cos y tan y = 1/ (√3-2) tany = (√3+2) / (√3+2) × (√3-2) tany = √3 + 2 The value of tany is √3 + 2.
In a city, the number of persons travelling by bike is 52.5% the number of persons travelling by metro. The number of persons travelling on foot is 60% ...
A towel was 75 cm broad and 120cm long. When bleached, it was to have lost 40% of its length and 20% breadth. The percentage of decrease in area is:
Vishnu purchased a new plot that needed to be fenced immediately, thereby reducing the length and width of the rectangular workplace by 2% respectively....
A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transacti...
In a village 40% of votes were cast in an election. A and B were the contestants. A won by 600 votes. If B had got 60% more votes, there would have been...
A student scored 45 marks in a test and scored 25% less marks than passing marks. If passing marks is 30% of total marks, and Arijit scored 72% marks in...
Neeraj's earnings decreased by 50% and after that subsequently increased by 50%. Find the final loss % on his earnings.
If 20% of an electricity bill is deducted, then Rs. 100 is still to be paid. How much was the original bill?
A salesman is allowed 24% commission on the total sales by him and a bonus of 1% on the sales over Rs. 25000. If the total earnings of a salesman is Rs...
In order to maximise his gain, a theatre owner decided to reduce the price of tickets by 10% and as a result of this, the sales of tickets increased by ...
