Question
If + means ÷, - means x, x means +, ÷ means –, Find
the value for 72 + 8 – 5 × 18 ÷ 5.Solution
72 + 8 – 5 × 18 ÷ 5 72 ÷ 8 x 5 + 18 – 5 9 x 5 + 18 – 5 45 + 18 – 5 = 58
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If a six digit number 3x 7z 8y is divisible by 7, 11, 13, then the average value of x, y, z is:
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A sphere has a volume of 121.5Ï€ cm3. Find its radius.
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