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In a row of 36 pupils,the first boy is followed by one girl,the second boy is followed by two girls,the third by 3 girls and so on like this.What is the number of girls in the second half of the row?

a)14 b)13 c)15 d)17

Read Solution (Total 2)

Boy 1 1 1 1 1 1 1 1 =8

Girl 1 2 3 4 5 6 7 =28

Second half= 2+6+7=15
12 years agoHelpfull: Yes(9) No(10)

ans is 15 correct as in second half there wl be 18 pupils n gals wl be 2+6+7
12 years agoHelpfull: Yes(0) No(0)

TCS Other Question

A 0 0 0 0 1 1 1 1

B 0 0 1 1 0 0 1 1

C 0 1 0 1 0 1 0 1

( A U B ) P C Find the fourth row, having the bit pattern as an integer in an 8-bit computer, and express the answer in its decimal value.
| A | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 10010001

| B | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 01101010

| C | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 10010110

(AuB)nC = ? [ (A union B) intersection C = ?]