(√4623.9 + √484.2) – √2303.97 ÷ √1296.4 × √35.98 ÷ √15.99 = ?
(√4623.9 + √484.2) – √2303.97 ÷ √1296.4 × √35.98 ÷ √15.99 = ? ? = (√4624 + √484) - √2304 ÷ √1296 × √36 ÷ √16 ? = (68 + 22) – 48 ÷ 36 × 3/2 ? = 90 – 2 = 88
A man pedals cycle from his house to his office at a speed of 10 km/h and back from the office to his house at a speed of 15 km/h. His average speed (i...
If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
If the multiple correlation coefficient of X1 on X2 and X3 is zero, then:
If the second and third moment about the origin are 8 and 18 and the third moment about mean is -14 , then the first moment about the origin is:
If each observation is halved then the coefficient of quartile deviation
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.
The second quartile for the following data 38, 39, 40, 52, 59, 67, 73, 77, 149, 248 is:
