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A man is running at a speed of 20 m/s in the same direction as a train. The train passes the man completely in 9 seconds. If the train's speed is 144 km...
88.88% of 539.712 + 14.28% of 350.12 = ? + 20.18 * 9.91
A cuboid has dimensions 12 cm × 8 cm × 6 cm. If a cylindrical hole of diameter 4 cm is drilled through the entire length of the cuboid, what is the vo...
The equation∣ z-2i ∣ + ∣ z + 2i ∣ = 6 represents:
The original price of a painting was Rs 2400/- but the shopkeeper offered double discount of 20% and 15%. For how much did he finally sell the item?
The angle of elevation of the top of a building from a point on the ground is 60°. After walking 20 meters towards the building, the angle of elevation...
A shopkeeper marks up the price of an article by 40% on its cost price. He then offers a discount of 10% on the marked price. If the shopkeeper still ma...
The probability of a student solving a problem correctly is 0.6. Out of 10 independent attempts, what is the probability that he solves at least 8 ?
The speed of boat 'Y' in still water is the same as the downstream speed of boat 'X'. Boat 'X' requires 1 hour longer than boat '...
A deck of 52 cards is used. Two king cards and one spade are removed from the deck. Then, two cards are drawn randomly one after the other without repla...