Question
A rectangular grassy lawn measuring 40 m by 25 m is to be surrounded externally by a path which is 2 m wide. Calculate the cost of levelling the path at the rate of ₹ 8.25 per square metre.
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Column $I$
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Column $II$
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$1$
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The difference of $3$ and a number squared
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$(a)$
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$4 - 2x$
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$2$
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5 less than twice a number squared
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$(b)$
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$n^2 - 3$
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$3$
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Five minus twice the square of a number
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$(c)$
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$2n^2 - 5$
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$4$
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Four minus a number multiplied by $2$
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$(d)$
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$5 - 2n^2$
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$5$
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Seven times the sum of a number and $1$
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$(e)$
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$3 - n^2$
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$6$
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A number squared plus $6$
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$(f)$
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$2(n + 6)$
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$7$
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$2$ times the sum of a number and $6$
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$(g)$
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$7(n + 1)$
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$8$
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Three less than the square of a number
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$(h)$
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$n^2 + 6$
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x:
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$5$ | $8$ |
$10$
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$12$
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$p$ | $20$ | $25$ |
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f:
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$2$ |
$5$
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$8$
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$22$ | $7$ | $4$ | $2$ |

| Parallelogram | Base | Height | Area | Perimeter |
| (i) | 5 units | 3 units | 5 $\times$ 3 $=$ 15 sq units | |
| (ii) | ||||
| (iii) | ||||
| (iv) | ||||
| (v) | ||||
| (vi) | ||||
| (vii) |
