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How many numbers are perfect cube form 1to1000 |
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Answer» ong>Answer 28 PLANTS in Garden 2 /7 have thorns in their stems. How many do not have thorns? • LET's Head to the Question Now :
⇒ Have Thorns = TOTAL × 2 /7
⇒ Have Thorns = 28 × 2 /7
⇒ Have Thorns = 4 × 2
⇒ Have Thorns = 8
• Plants WITHOUT thorns in their STEM :
⇒ Do Not Have Thorns = Total Plants – Have Thorns
⇒ Do Not Have Thorns = 28 - 8
⇒ Do Not Have Thorns = 20
∴ Plants without thorns in stems are 20.
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• Shortcut Trick :
⇒ Do Not Have Thorns = Total × (1 - 2/7)
⇒ Do Not Have Thorns = 28 × (7 - 2) /7
⇒ Do Not Have Thorns = 28 × 5 /7
⇒ Do Not Have Thorns = 4 × 5
⇒ Do Not Have Thorns = 20
∴ Plants without thorns in stems are 2
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