What is the value of (x) in the following equation?
x0.4/16=32/x2.6
8
9
6
6
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4. In a tournament here are n teams T1, T2……Tn with n>5. Each team consists of k players, k>3. The following pairs of team have one player in common T1 and T2 and T3….., Tn-1 and Tn and Tn2nd T1- No other pair of teams has any player in common. How many players are participating in the tournament, considering all the n team together?
K (n-1)
N (k-20)
K (n-2)
K (n-2)
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5.A man has 9 friends: 4 boys and 5 girls, In how many ways can he invite them, if there have to be exactly 3 girls in the invitees?
320
160
80
80
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6.A speaks truth in 75% cases and B in 80% cases, In what percentage of cases are the likely to contradict eact other, narrating same incident?
7.A die is rolled twice. what is the probability that the sum of the number on the two of the faces is 5?
3/13
4/13
6/13
6/13
D.
6/13
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8.The simplified value of [(0.111)3 + (0.222)3 – (0.333)3
0.999
0.111
0
0
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9.Along a road lie an odd number of stones placed at intervals of 10 m. These stones have to be assembled around the middle stone. A person can carry only one stone at a time. A man carried out the job starting with the store in the middle, carrying stones in succession, there by covering a distance of 4.8 km. Then, the number of stone is:
35
15
31
31
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10.A group of 360 children is arranged in rows for a group photograph session. Each row contains three fewer children that the row in front of it. What number of rows is not possible?