If 2x + 3y - 5z = 18 , 3x + 2y + z = 29 and x + y + 3z = 17 , then what is the value of xy + yz + zx ?
(A) 32
(B) 46
(C) 64
(D) 52
In a group of 15 women, 7 have nose studs, 8 have ear rings and 3 have neither. How many of these have both nose studs and ear rings?
(A) 0
(B) 2
(C) 7
(D) 3
If
(A)
(B) 2
(C) 1
(D) 4
The value of
(A)
(B)
(C)
(D)
What is the value of
(A) 1
(B)
(C)
(D) -1
The value of
(A) 15
(B) 1.5
(C) 0.9
(D) 9
What is the value of x
(A) 0.9
(B) 0.09
(C) 9
(D) 0.0009
If
(A)
(B)
(C)
(D)
By what least number should 4320 be multiplied so as to obtain a number which is perfect cube?
(A) 60
(B) 80
(C) 40
(D) 50
A tourist spends daily as many rupees as the number of days of his total tour. If his total expenses were ₹ 361, then how many days did his tour last?
(A) 21 days
(B) 31 days
(C) 17 days
(D) 19 days
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