Find the value of
sin4300 + cos4300 – sin250cos650-sin650cos250
(A)
(B) 0
(C)
(D)
if x+y =3 and
(A) 29
(B) 28
(C) 26
(D) 34
There are three taps of diameter 2 cm, 3 cm and 4 cm, respectively. The ratio of the water flowing through them is equal to the ratio of the square of their diameters. The biggest tap can fill an empty tank alone in 81 min. If all the taps are opened simultaneously, then how long will the tank take (in min) to be filled?
(A)
(B)
(C)
(D)
A, B and C did certain investments and the ratio of their time periods is 3 : 2 : 7respectively. Ratio of the profits of A, B and C is 4 : 3 : 14 respectively. What is the ratio of the investments of A, B and C?
(A) 1:3:4
(B) 7:9:11
(C) 8:9:12
(D) 2:3:11
A,B, C are three points such that AB = 9 cm, BC = 11 cm and AC = 20 cm. The number of circles passing through points A,B,C is:
(A) 2
(B) 0
(C) 1
(D) 3
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