Mathematics
In the given figure, AB || CD, AB = 12 cm, OB = (3x + 3) cm, CD = 5x cm and OC = (6x + 1) cm. Find the value of x.
Related Questions
The weights of 150 mangoes were recorded as given below :
Weight in gms Number of mangoes 160-170 15 170-180 24 180-190 30 190-200 36 200-210 24 210-220 12 220-230 9 Calculate the mean weight (to the nearest gram) by step-deviation method.
A piece of cloth costs ₹ 200. If the piece were 5 m longer and each metre of cloth costs ₹ 2 less, the cost of piece would have remained unchanged. How long is the piece and what is its original rate per metre ?
Monthly income (in ₹ thousand) No. of workers 6-7 40 7-8 68 8-9 86 9-10 120 10-11 90 11-12 40 12-13 26 Draw an ogive for the given data and from it, determine :
(i) the median income
(ii) the number of employees whose income exceeds ₹ 11,800.