A pentagonal prism has 15 edges. How many vertices does it have?
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ABCD is a kite where m∠A is 90° and m∠C is 60°. If length of AB is 6 cm, what is the length of diagonal AC?
614% of 1600 + 1212% of 800 is equal to
The compound interest on Rs. 24000 at 10% per annum for 11⁄2 years, interest being compounded semiannually is
The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is
The areas of a circle and square are equal. What is the square of the ratio of length of diameter to the length of diagonal?
What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?
If the angle of elevation of the top of a pillar from the ground level is raised from 30° to 60°, the length of the shadow of a pillar of height 503 will be decreased by