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Let the radius and height of the cylinder be r and h cm respectively. ∴ h = 1.30r Total surface area of the cylinder = 17710= 2πr(h + r) ∴ 17710 = 2πr(1.3r + r) = 2πr(2.3r) = 4.6πr2 ∴ 17710= (9.2/2) × (22/7) × r2 = 17710x 7 x 2/22 x 9.2 ∴ r2 = 1225 ∴ r = 35 and h = 45.5 Amount of water displaced = Volume of the right circular cylinder = πr2h = (22/7) × (35)2× (45.5) = 175175 cm³
Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
56 * 112 * 4 * 15 * 5 * 9
If P means ‘multiplied by’, T means ‘subtracted from’, M means ‘added to’ and B means ‘divided by’, then 40 B 8 P 8 T 14 ...
In a certain code language, '+' represents '÷', ' - ' represents ' X ', '÷' represents '+' and ' X ' represents '-'. Find out the answer to the follow...
Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
12 * 8 * 42 ...
By interchanging which two signs the question will be correct?
15 + 5 ÷ 2 – 9 × 3 = 22
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
23 * 2 * 2 * 5 * 18
Which two signs should be interchanged to make the following equation correct?
52 – 27 ÷ 9 + 7 × 5 = 20
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
364 * 4 * 7 * 4 * 12 = 75
Which of the following interchange of numbers and mathematical signs would make the given equation correct?
72 ÷ 8 × 9 − 36 + 20 = 80
If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of the given expression?
32 B 40 A 8 C 10 D 12
