Which one of the following is not a property of electromagnetic waves?
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In triangle ABC, ∠ABC = 15 deg. D is a point on BC such that AD = BD. What is the measure of ∠ADC (in degrees)?
A person goes from point N to P and comes back. His average speed for the whole journey is 60 km/hr. If his speed while going from N to P is 40 km/hr, then what will be the speed of the person (in km/hr) while coming back from P to N?
Find the HCF of 1757, 2259.
Mukesh got series of discount 30%, 25%, 15% on his shirt. Find out the single equivalent discount.
A defective piece of article which costs Rs. 1200 is being sold at a loss of 15%. If the price is further reduced by 5%, find the S.P?
What is the function of guard cells of stomata?
The perimeter of a square is 30 cm. Find its area (in cm²).