Answer: A) 4 days Explanation: Given that  6 men and 8 boys can do a piece of work in 10 days  26 men and 48 boys can do the same in 2 days   As the work done is equal, 10(6M + 8B) = 2(26M + 48B) 60M + 80B = 52M + 96B => M = 2B => B = M/2 ……(1)   Now Put (1) in 15M + 20B => 15M + 10M = 25M Now, 6M + 8B in 10 days => (6M + 4M) 10 = 100M Then D(25M) = 100M => D = 4 days.

Answer: B) Raman Roy Explanation: The National Association of Software and Services Companies (Nasscom) appointed Raman Roy (Managing Director of Quatrro Global Services) as its chairman for 2017-2018.  Rishad Premji (Chief Strategy Officer (CSO), Wipro Limited) has been appointed Vice Chairman. Raman Roy has replaced Mr. CP Gurnani.

Answer: C) Option C Explanation: At 3 o'clock, the minute hand is 15 min. spaces apart from the hour hand.     To be coincident, it must gain 15 min. spaces.     55 min. are gained in 60 min.     Then 15 min spaces are gained in  = 6055×15 min.     Therefore,  The hands are coincident at  16411 min. past 3 o'clock.

Answer: A) Reactivity Explanation: The ability of two or more substances to combine to form other substances is called Reactivity.

Answer: C) Giriprakash Explanation:

Answer: B) 4 Explanation: Let the number be x. Then, 15x - x = 56 x = 4

Answer: A) Grand father Explanation: Q's mother is sister of P and daughter of M => P is the child of M.S is daughter of P and sister of T, so P is parent of T too.M ----> parent --------> P ------------>parent -------------> TBut given M is brother of R => M is male. So, M is grandfather of T.

Answer: D) 90% Explanation: