Question
A kite is in the shape of a square with a diagonal 24cm.
attached to an equilateral triangle of the base 6cm. How much paper has been used to make it?Solution
Area of the square = 1/2 × (Diagonal)^2 = 1/2 ×(24)^2 = 1/2 × 24 × 24 = 288 cm² Area of equilateral triangle = √3/4 × (side)^2 = √3/4 × 6 × 6 = 9√3 cm² Total area = 288 + 9√3 = 9(32 +√3)cm²
What will be the next number in the series?
2,5,11,23,47,?
4Â Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â Â 24Â Â Â Â Â Â Â Â Â Â Â 91Â Â Â Â Â Â Â Â Â Â Â 462Â Â Â Â Â Â Â Â Â 2763
18Â Â Â ...
7, 8, 12, 21, 37, ?
124    174    211    ?     254    264
...2, 9, 19, 32, 48, 67, ?
In each of the following questions the number series is given. One term of the series is denoted by x. You have to calculate of value of x and by using ...
(32.03 + 111.98) ÷ 18.211 = 89.9 – 20.23% of ?
(45)2 ÷ ∛729 + (35)2 ÷ 1.4 =?
24 ? 14 16 39 88.5
...123   125   129   132   ?   145
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