Select the correct set of symbols:
21 9 13 7 = 195
21 9 13 7 = 195 After change 21 x 9 + 13 – 7 = 195 189 + 13 – 7 = 195 202 – 7 = 195
Calculate the perimeter of a square when the area of a circle that circumscribes it is 486 square centimeters. (Assume π = 3 for calculations.)
A rectangular plot of size 40 m (length) 20 m (width) is to be grazed by a horse leaving a margin of 5 m from all sides for growing plants and also ...
The value of tan2 θ + cot2 θ − sec2 θ cosec2 θ is:
Suresh started his journey form P to Q by his bike at the speed of 40 km/h and then, the same distance he travelled on his foot at the speed of 10 km/h ...
After increase in sugar prices by 20%, a person is able to buy 2 kg less sugar for Rs. 540. Find the original and increased price of sugar per kg.
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Determine the volume (in cubic centimeters) of a cuboid whose adjacent face areas measure 320 cm², 480 cm², and 216 cm², respectively.
A right triangle with sides 7 cm, 24 cm, and 25 cm is revolved about the side of length 24 cm. What is the volume of the solid obtained?
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 529 m2 and 299 m2, respectively the...
An item costs ₹400. During a festival sale, a company offers a sale discount that offers x% off on its regular price along with a discount coupon of 1...
