The difference between simple interest and compound interest on certain sum of money for 2 yr at 5% per annum is Rs. 51, then sum will be
Rs. 21000
Rs. 20550
Rs. 21500
Rs. 20400
lf half of a number is equal to 0.07 times of another number, then their ratio will be
50 : 7
5 : 7
7 : 50
1 : 14
A bag contains 4 black balls, 6 blue balls, 3 white balls and 5 red balls. One ball is drawn from the bag. Probability that the ball drawn is black or white
4
2
1
16
B.
2
'From General to Particular' principle applied in
Deductive method
Inductive method
Synthesis method
Analytical method
If O is the centre of a circle in given figure, then relation between x and y is
x - 2y = 0
y - 2x = 0
x + 2y = 1800
x + 2y = 3600