[P47Q88] A,B,C have a total of 80 coins among them . A triples the number of coins with the others by giving them some coins from his own collection. Next B repeats the same process. After this, B has 20 coins. Find the number of coins he had at the beginning,
A)11 B)10 C)9 D)12
2.On march 1st,2016, sherry saved $1. everyday starting from March 2nd 2016 he saved $1 more than the previous day. Find the first date after march 1st,2016, at the end of which his total savings will be a perfect square.
a) march 17th,2016, b) 18th April,2016, c) march 26,2016, d) none
MY answere is b) .....but given answere is d)
3. how many integer values of x and y are there such that 4x + 7y = 3 while |x| < 500 & |y| < 500
a)144 b) 141 c)143 d)142
MY answere is d) .....but given answere is c)
A)11 B)10 C)9 D)12
2.On march 1st,2016, sherry saved $1. everyday starting from March 2nd 2016 he saved $1 more than the previous day. Find the first date after march 1st,2016, at the end of which his total savings will be a perfect square.
a) march 17th,2016, b) 18th April,2016, c) march 26,2016, d) none
MY answere is b) .....but given answere is d)
3. how many integer values of x and y are there such that 4x + 7y = 3 while |x| < 500 & |y| < 500
a)144 b) 141 c)143 d)142
MY answere is d) .....but given answere is c)
