[PP Sub Inspector 17 Aug 2021]
1. If x = 0.2025, then what is the value of \(\sqrt{16x^2 + 8x +1} + 6x\) ?
20.25
2.025
30.25
3.025
2. If \(x + {1\over x} = 3\), the find \(x^{10} + x^{12} - x^{4} + {1 \over x^{6}} - 2207x^{4} - 2207x^2\)
3
1
0
-47
3. The squares of which of the following would be odd numbers?
439
82004
248
2826
4. The sum of two umbers is 85 and their difference is 5. What is the value of the larger number?
60
45
40
30
5. 15 : 22 :: x : 11, find the value of x ?
9.0
8.0
7.5
8.5