**ML Aggarwal CBSE Solutions Class 8 Math 3rd Chapter Squares and Square Roots Exercise 3.4**

the next perfect sq number is (90)^{2}

= 8100

∴ required number = 8100 – 8000

= 1000

∴ 100, the least number that must be added to get perfect sq.

**(11)** Total plants = 1400

We get remainder = 31

(37)^{2} < 1400

Next perfect sq. (38) = 1444

∴ The minimum number of plants he needs more = 1444 – 1400

= 44

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