Question
Two ships are on the opposite of a light house such
that all three of them are collinear. The angles of depression of the two ships from the top of the light house are 30° and 60°. If the ships are 230 √ 3 m apart. then find the height of the light house (in m).Solution
The correct answer is C
What is the remainder when 4585 is divided by 8.
A builder needs to transport sand and gravel. A truck can carry 4 tons of sand and 3 tons of gravel. A van can carry 2 tons of sand and 2 tons of grave...
The function f(x)=x3 −62x2+ax+9 has a local maximum at x=1. Then the value of a is:
In a circle, two chords AB and CD intersect inside the circle at P. If AP = 4 cm, PB = 6 cm, CP = 5 cm, and PD = x cm, what is the value of x?
A laptop was sold for ₹40,500, resulting in a 10% loss. If it had been sold for ₹52,200 instead, what would the profit percentage have been?
Quantity I: A can complete a task in 15 days, while B can do it in 12 days. A worked alone for the first 5 days and then left. B and C together finished...
Puneet owns 66 foldable laptops, and Raja has 22 more foldable laptops than Puneet. The ratio of foldable laptops between Raja an...
A shopkeeper priced an article at 75% above its cost price and offered a 30% discount on it during the sale. Alternatively, if he had applied two consec...
- What is the term for restarting a computer that is already powered on?
A man travels 60 km at a speed of 30 km/h and then travels 90 km at a speed of 60 km/h. What is his average speed for the entire journey?
