A. 31000
B. 41250
C. 31250
D. None of These
Naeem sold a computer for Rs 25000 at which he suffered 20 Percent loss. Find the purchase price of the computer?
Author: Irza Afzad
If n(U)=60, n(A)= 35, n(B)=24, and n(AUB)’=10 then n(A∩B) is ____________?
A. 10
B. 8
C. 9
D. None of These
Who was Blaise Pascal?
A. English novelist
B. German physician
C. Chinese politician
D. French mathematician
Probability of something in interest rate of XXX?
A. Financial operation
B. Statistical operation
C. Mathematical operations
D. None of these
What is the average of the numbers: 0, 2, 5, 6, 7 and 10?
(A) 4
(B) 5
(C) 6
(D) 7
The answer is: (B) 5
SOLUTION
(0+2+5+6+7+10)/6 = 30/6 = 5
What is the number whose 90% is 90?
(A) 10
(B) 90
(C) 100
(D) 180
The answer is: (C) 100
It is obvious to note that 90% of 100 is 90.
If 20% of a number is 40. Then 70% of the number is?
(A) 110
(B) 120
(C) 130
(D) 140
The answer is: (D) 140
SOLUTION
Let x be the number whose 20% is 40. Then,
The 40% of 60 is what number?
(A) 12
(B) 24
(C) 16
(D) None of these
The answer is: (B) 24
40% of 60 = (40/100)×60=24