Approximation Test-6 (Approximation of decimal figures)

Answer: Option B

Explanation

Given,

459.008+3.0056×88.862=?

It can also be approximates as

460+3×90=?

= 460+270

= 730 ≈ 725

Hence, Option B is correct.

Answer: Option A

Explanation

Given,

(621.52)²=?

It can also be approximated as

(620)²=?

= 384400 ≈ 386300

Hence, Option A is correct.

Answer: Option A

Explanation

Given,

16.001×30.999×8.998=?

It can also be approximated as

16×31×9=?

= 144×31

= 144×(30+1)

= 4320+144

= 4464 ≈ 4400

Hence, Option A is correct.

Answer: Option B

Explanation

Given,

8537.986- 2416.005-221996 =?

It can also be pproximated as

8538-2416-222=?

= 8538-(2416+222)

= 8538-(2638)

= 5900

Hence, Option B is correct.

Answer: Option C

Explanation

Given,

1019.999÷60.007=?

It can also be approximated as

= 1020÷60=?

= 17

Hence, Option C is correct.