Simplification
- The value of √19.36 + √0.1936 + √0.001936 + √0.00001936 is :
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√19.36 + √0.1936 + √0.001936 + √0.00001936
= 4.4 + 0.44 + 0.044 + 0.0044
= 4.8884Correct Option: C
√19.36 + √0.1936 + √0.001936 + √0.00001936
= 4.4 + 0.44 + 0.044 + 0.0044
= 4.8884
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The value of √ 0.064 × 0.256 × 15.625 is 0.25 × 0.625 × 4.096
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Expression
= √ 0.064 × 0.256 × 15.625 0.025 × 0.625 × 4.096 = √ 64 × 256 × 15625 25 × 625 × 4096 = 8 × 16 × 25 = 2 5 × 25 × 64 Correct Option: A
Expression
= √ 0.064 × 0.256 × 15.625 0.025 × 0.625 × 4.096 = √ 64 × 256 × 15625 25 × 625 × 4096 = 8 × 16 × 25 = 2 5 × 25 × 64
- If (1101)2 = 1212201, find the value of √121.220l .
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(1101)2 = 1212201
⇒ 1101 = √1212201
√121.2201⇒ √ 121.2201 = 1101 = 11.01 10000 100 Correct Option: B
(1101)2 = 1212201
⇒ 1101 = √1212201
√121.2201⇒ √ 121.2201 = 1101 = 11.01 10000 100
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The square root of 21 51 is 169
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= 21 51 = 21 × 169 + 51 = 3600 169 169 169 ∴ √ 21 51 = √ 3600 = 60 169 169 13 = 4 8 13 Correct Option: B
= 21 51 = 21 × 169 + 51 = 3600 169 169 169 ∴ √ 21 51 = √ 3600 = 60 169 169 13 = 4 8 13
- If √18225 = 135 , then the value of
√18225 + √182.25 + √1.8225 + √0.018225 is
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√18225 = 135
∴ √182.25 = 13.5 ;
√1.8225 = 1.35 ;
√0.018225 = 0.135
∴ = 135 + 13.5 + 1.35 +0.135
= 149.985Correct Option: B
√18225 = 135
∴ √182.25 = 13.5 ;
√1.8225 = 1.35 ;
√0.018225 = 0.135
∴ = 135 + 13.5 + 1.35 +0.135
= 149.985