Which of the following can't be the unit's digit of a perfect square?
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How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?
Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.
The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.
After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was
Which of the following is a true statement?
In which of the following quadrilaterals only one pair of opposite angles is supplementary?
If 60 boys can finish a work in 15 days by working 8 hours a day, then how many hours a day should 72 boys work to finish that work within 20 days?
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