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The Quiz starts here
1. If function f(x) satisfies f (1-x) = f (2+x) for all x, which of the following can be true?
f(x) = 3-x
f(x) = 1-x2
f(x) = 2 - x - x2
f(x) = 2x - (1-x)2
f(x) = (1-x) / (2 + x)
2. The units digit in the expansion of [(999)^999]^999is?
9
1
3
7
None of these
3. What is the number of solutions of the equation 8(x2 - 2) = 16(x + 1)?
1
2
3
4
5
4. A sum of money was invested at Si at a certain rate fro 4 years. Had it been invested at a 3% higher rate, it would have fetched $480 more. Find the principle.
$4000
$4400
$5000
$3500
$3600
5. What is the number of real solutions of x4 + 6x2 + 9 = 0?
0
1
2
3
4
6. m and n are positive integers. n can be divided by 8.If m = n +4, what is the greatest common divisor of m and n?
2
4
8
16
32
7. What is the solution of nC4 < 3Cn ?
n>7
n<7
n>4
n<3
n>1
8. If P and Q are positive integers, and n is the decimal equivalent of P/Q, which of the following must make n a finite number? I) P = 49, Q = 256 II) Q = 32 III) P = 75, Q = 384
None
I only
II only
III only
I, II, III
9. A lady buys goods worth 200$ from a shop. (shopkeeper selling the goods with zero profit). The lady gives him $1000 note .The shopkeeper gets the change from the next shop and keeps 200 $ for himself and returns 800 $ to the lady .Later the shopkeeper of the next shop comes with the 1000 $ note saying duplicate note and takes his money back .How much LOSS did the first shopkeeper face?
1800 $
2000 $
1000 $
500 $
1200 $
10. Two vessels contain mixtures of milk and water. In the first vessel. the ratio of milk to water is 7:4 and in second vessel it is 9:7. In what ratio should these two mixtures be mixed so that the resultant mixture has milk and water in the ratio of 4:3.
11:40
11:80
2:9
5:9
13:7
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