L&T Company Numerical Ability Permutation and Combination

A student is to answer 12 out of 16 questions in an examination such that he must choose at least 5 from the first six questions. The number of choices available to him is
A)480 B)520 C)400 D)360

Read Solution (Total 2)

6C5.10C7+6C6.10C6=960
4 years agoHelpfull: Yes(1) No(5)

Answer=480
6C5*10C7=480
4 years agoHelpfull: Yes(1) No(3)

L&T Other Question

A TV set listed at Rs 36000 is sold to a retailer at a successive discount of 20% and 15%. The retailer desires a profit of 15%, after allowing a discount of 10% to the customer. At what price should he list the TV set ?
A) Rs. 32660 B) Rs. 30640 C) Rs. 29520
D) Rs. 31280 If BINARY is coded as DHPZTX then how will KIDNAP be coded?
A)MKFPCQ B)MHFPZQ C)IKFMYO D)MHFMCO