NAT I Computer Science Quantitative With Answers

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NAT I Computer Science Quantitative

Sr. # Questions Answers Choice
1 (x+y)2=25 and x2+y2=13 then xy is equal to? 16 20 18 6
2 If (x+1/x)2=96 what is the value of x2 + 1/x2 ? 94 98 100 90
3 If a2 - b2 =36 and a-b =12 then average of 'a' and 'b' is? 3 12 6 3/2
4 The value of {0.54 - 0.44} / {0.52 + 0.42} is? 0.9 0.09 0.19 0.31
5 2x2y when multiplied with x2 + y2 gives ? 2x<sup>2</sup>y<sup>3</sup> + 2xy<sup>3</sup> 2x<sup>4</sup>y+ 2x<sup>2</sup>y<sup>3</sup> 2xy<sup>2</sup>+ 2x<sup>2</sup>y 2xy<sup>3</sup>+ 2x<sup>3</sup>y
6 If 2x + y + b11 nad 3x + 2y =17 then y is? 1 5 6 4
7 The value of x2 + 5x +6 at x=2 is: 10 14 18 20
8 If x + 3y =7 and 2x + y =5 then value x/y is? 1/2 1/3 2/5 8/9
9 If x + 2y =11 and x + y =10 the value of y is: 1 2 3 4
10 x + y =17 and x=2, then value of y? 13 15 19 10
11 1.02 - 0.02 + ? = 1.842 0.222 0.842 2 None
12 0.007÷√0.000049 1 0.0049 2 7
13 1 3/4 - 1 3/5 =? 0.16 0.2 0.15 13/20
14 72 + 679 + 1439 + 537 + ?=4036 1309 1208 2308 2423
15 (242 - 17)2 - (7-5)2=? 49000 49200 94200 49400
16 If x% of 60 =48, then x=? 80 60 90 40
17 25% of 4÷ 4% of 25 =? 1 3 0 6
18 0.027√90 = ? 0.0003 0.03 3 0.00003
19 (60)2=? x 72 36 3600 40 50
20 x√0.09 = 3: x =? 10 1/3 1/10 1
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