#### Data Interpretation

• ( 1 ) The √ 64009 is:

• 1) 253
• 2) 347
• 3) 363
• 4) 803
• Discussion in forum
Answer : 1) 253
Solution :
2|64009( 253
|4
|----------
45|240
|225
|----------
503| 1509
| 1509
|----------
|  X
|----------
√ 64009 = 253.

discussion

Answer : 1) 253

• ( 2 ) If √ 3 = 1.732, then value of √ (3/4) is :

• 1) 0.577
• 2) 0.866
• 3) 0.433
• 4) 0.477
• Discussion in forum
Answer : 2) 0.866
Solution : √(3/4) = √ 3/2 = 1/732/2 = .866

discussion

Answer : 2) 0.866

• ( 3 ) √ (.00059049) = ?

• 1) 0.243
• 2) 0.0243
• 3) 0.00243
• 4) 0.000243
• Discussion in forum
Answer : 2) 0.0243
Solution : √ 59049 = 243
=> √(.00059049) = √ 59049/√ 108 = 243/10000 = .0243.

discussion

Answer : 2) 0.0243

• ( 4 ) If √ 5 = 2.236, then the value of 1/√ 5 is:

• 1) 0.367
• 2) 0.745
• 3) 0.447
• 4) 0.423
• Discussion in forum
Answer : 3) 0.447
Solution : 1/√ 5 = (1/√ 5)*(√ 5/√ 5) = √ 5/5 = 2.236/5 = .447

discussion

Answer : 3) 0.447

• ( 5 ) If x/√ 2.25 = 550, then the value of x is:

• 1) 825
• 2) 82.5
• 3) 3666.66
• 4) 2
• Discussion in forum
Answer : 1) 825
Solution : x/√ 2.25 = 550
=> x/1.5 = 550 or x = 550*1.5
=> x = 550*15/10 = 825.

discussion

Answer : 1) 825

• ( 7 ) The value of √ 2 upto three places of decimal is:

• 1) 1.41
• 2) 1.412
• 3) 1.413
• 4) 1.414
• Discussion in forum
Answer : 4) 1.414
Solution :
1|2.00 00 00( 1.414
|1
|----------
24|100
| 96
|----------
281| 400
| 281
|----------
2824| 11900
|----------
√ 2 = 1.414.

discussion

Answer : 4) 1.414

• ( 8 ) (2√ 27 - √ 75 + √ 12 )is equal to:

• 1) √ 3
• 2) 2√ 3
• 3) 3√ 3
• 4) 4√ 3
• Discussion in forum
Answer : 3) 3√ 3
Solution : (2√ 27 - √ 75 + √ 12 ) = 2√ (9*3) - √ (25*3) + √ (4*3) = 6√ 3 - 5√ 3 + 2√ 3 = 3√ 3.

discussion

Answer : 3) 3√ 3

• ( 9 ) By what least number 675 be multiplied to obtain a number which is a perfect cube?

• 1) 5
• 2) 6
• 3) 7
• 4) 8
• Discussion in forum
Answer : 1) 5
Solution : 675 = 5 * 5 * 3 * 3 * 3. To make it a perfect cube it must be multiplied by 5.

discussion

Answer : 1) 5

• ( 10 ) The square root of (7 + 2√ 10)is:

• 1) √ 5 + √ 2
• 2) √ 3 + √ 4
• 3) √ 6 + 1
• 4) 2 + √ 5
• Discussion in forum
Answer : 1) √ 5 + √ 2
Solution : Choosw two numbers a & b s.t. a2 + b2 = 7 & ab = √ 10.
clearly , such numbers are √ 5 & √ 2.
(7 + 2√ 10) = (√ 5)2 + (√ 2)2 + 2√ 5 * √ 2 = (√ 5 + √ 2)2 = (√ 5 + √ 2)

discussion

Answer : 1) √ 5 + √ 2