Question

1. Three out of the four options are same in a certain way and so form a group. Find the odd option that does not belong to the group (A) 3:15 (B) 6:30 (C) 12:42 (D) 9:45...9 la both come pls​

Answer 1

Answer:

option (c) , 12:42 is your correct answer

Step-by-step explanation:

For (a), 3:15 = 3/15 = 1/5

For (b), 6:30 = 6/30 = 1/5

For (c), 12:42 = 2/7

For (d), 9:45 = 1/5

↑Above we see that (c) is different

Answer 2

Step-by-step explanation:

the type of mathematics that deals with the relationship between the sides and angles of triangles

त्रिकोणमिति (गणित की एक शाखा जिसमें त्रिकोण की भुजाओं और कोणों के बीच संबंध की व्‍याख्‍या की जाती है)

${cot}^{2}$