If (x+y)2 - z2 = 3, (y+z)2 - x2 = 7, (z+x)2 - y2 = 26, then (x+y+z) = – McqOptions

MCQOPTIONS

1.	If (x+y)2 - z2 = 3, (y+z)2 - x2 = 7, (z+x)2 - y2 = 26, then (x+y+z) = ?
A.	6
B.	11
C.	13
D.	15
Answer» B. 11

Discussion

No Comment Found

Related MCQs

885 X 885 X 885 + 115 X 115 X 115 / 885 X 885 + 115 X 115 - 885 X 115 = ?
If a/b = 2/3 and 7a+5b = 21, then a = ?
Each child from a certain school can make 10 items of handicraft in a day. If 1200 handicraft items are to be displayed in an exhibition, then in how many days can 20 children make these items ?
By how much does 5/(6/7) exceed (5/6)/7 ?
There are two class room A and B. If 15 students are sent from A to B, then the number of students in the rooms are equal. If 30 students are sent from B to A, then the number of students in A is double the number of students in B. How many students are there in room A ?
A and B together have Rs. 250, C has Rs. 125 less than what A and B together have and B has Rs. 40 more than C. How much money does A have ?
A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 351 more than the correct answer. What was the number ?
If two-fifth of five-ninth of a number is 120, find the number
(1 - Â½ )(1 - 1/3)(1 - 1/4) __ (1 - 1/9)(1 - 1/100) = ?
(388 + 277)2 - (388 - 277)2 / 388 X 277 = ?