Wipro Company Numerical Ability Permutation and Combination

The number of parallelograms that can be formed from a set of FOUR parallel straight line intersecting a set of THREE parallel straight lines=?
A. 9
B. 12
C. 6
D. 18
E. 15

Read Solution (Total 2)

4c2*3c2+=18
9 years agoHelpfull: Yes(1) No(0)

answer: 4c2*3c2=18
9 years agoHelpfull: Yes(1) No(1)

Wipro Other Question

Everyone shakes hands with everyone else in a room. Total number of handshakes is 66. Number of persons=?
A. 14
B. 13
C. 11
D. 12
E. 10 The incomes of A and B are in the ratio 4:5 and their expenditures are in the ratio of 5:6. If A saves 1/4th of his income find the ratio of their savings.
A. 5 : 7
B. 4 : 5
C. 6 : 11
D. 3 : 5
E. 5 : 9