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The ratio of two positive numbers is 11 ∶ 17 and their HCF is 4. Their LCM is:
The rates of simple interests in two banks A and B are in the ratio 5 : 4. A person wants to deposit his total savings in two banks in such a way that he receives equal half yearly interest from both. He should deposit the savings in banks A and B in the ratio:
cot2A - cos2A is equal to
The mean proportion between a number and 20 is 50. What is that number?
The compound interest on Rs. 20,000 at 8% per annum is Rs. 3,328. The period in years is:
Two ships are sailing in the sea on the two sides of the lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:
In the given figure, O is the point of intersection of two chords AB and CD such that OB = OD, then triangle OAC and ODB are
If 2/3 of A = 75% of B = 0.6 of C, then A ∶ B ∶ C is:
The ratio of milk and water in a container is 2 : 3. When 60 liters of mixture is taken out and replaced with water then the ratio of milk and water becomes 1 : 2. Then find the total capacity of a container.
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