Q.11593·Miscellaneous·2014·EasyThe number of telephone calls received in 245 successive one-minute intervals at an exchange is given below in the following frequency distribution: What is the mode of the distribution?View question
Q.11594·Miscellaneous·2014·EasyThe mean and standard deviation of 100 items are 50, 5 and that of 150 items are 40, 6 respectively What is the combined mean of all 250 items?View question
Q.11595·Miscellaneous·2014·EasyThe mean and standard deviation of 100 items are 50, 5 and that of 150 items are 40, 6 respectively. What is the combined standard deviation of all 250 items?View question
Q.11596·Miscellaneous·2014·EasyThe mean and standard deviation of 100 items are 50, 5 and that of 150 items are 40, 6 respectively. What is the variance of all the 250 items?View question
Q.11599·Miscellaneous·2014·EasyWhich one among the following lakes is situated on the west coast of India?View question
Q.11601·Miscellaneous·2014·EasyA sound wave has frequency of 2 kHz and wavelength of 35 cm. If an observer is 1.4 m away from the source, after what time interval could the observer hear the sound?View question
Q.11603·Miscellaneous·2014·EasyWhat is the sum of the coefficients of the two middle terms?View question
Q.11604·Miscellaneous·2014·EasyGiven: C(n, r) : C(n, r + 1) = 1 : 2 and C(n, r + 1) : C(n, r + 2) = 2 : 3 What is n equal to?View question
Q.11605·Miscellaneous·2014·EasyGiven: C(n, r) : C(n, r + 1) = 1 : 2 and C(n, r + 1) : C(n, r + 2) = 2 : 3 What is r equal to?View question
Q.11608·Miscellaneous·2014·EasyThe number of aluminium ions present in 54 g of aluminium (atomic weight 27) isView question
Q.11609·Miscellaneous·2014·EasyDuring short-circuiting, the current flowing in the electrical circuitView question
Q.11610·Miscellaneous·2014·EasyIn honey, which one among the following sugars predominates?View question