The average of smallest and largest primes between 60 and 80 is -
If the length of side of an equilateral triangle is 4cm. its height is -
If x2-7xy+y2 is divided by x-2y, the result is-
If the first and sixth term of a geometric series are respectvily 1/2 and 1/64, then the common ratio is____
It takes 134 minute to fill a water jar.What part of the jar would be filled in 1 minute ?
একটি চাকার ব্যাস ৪.৫ মিটার। চাকাটি ৩৬০ মিটার পথ অতিক্রম করতে কতবার ঘুরবে?
Two different companies, X and Y, have the same number of workers. The ratio of the male workers in company X and the male workers in company Y is 2:1 and the ratio of female workers in both company is 4:5.What is the ratio of female workers to the male workers in Company X?
A certain integer n is a multiple of both 5 and 9. Which of the following must be true?
A company paid tk.500000 in merit raises to employees whose performances were rated A, B, or C. Each employee rated A received twice the amount of the rated C.each employee rated B received 150% of the amount of the raise thst was paid to each employee rated C. if 50 workers were rated A,100rated B and 150 were rated C, how much was the raise paid to each employee rated B?
A time-study specialist has set the production rate for each worker on a certain job at 22units every 3hours. At this rate what is the minimum number of workers that should be put on the job if at least 90units are to be produced per hour?
Humayun is asked to write a guide for GMAT exam preparation. For his work the publishing company giving him a choice of a one time payment of tk. 25,625 or tk.15.75 per guide sold.How many guide need to be sold for the totsl income received by Humayun to be the same from either choice?
In a shop, the cost of 5 shirt , 5pairs of trousers and 3 hats is tk.710. The cost of 11shirts , 11pairs of trousers and 8 hats is tk. 1590. What is the total cost of 1 shirt,1 pair of trouser and 1 hat?
In a class the average marks attained in an exam is 80. The average of students who scored below 75 is 65. The average of students who scored 75 or more is 90. If the total number of students in this class is 20, how many students scored 75 or more?
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full, 5 class were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?
What is the minimum nuber of flowers that must be added to an existing stock of 966 flowers so that the total stock can be equally distributed among 6, 7, 8 or 9 persons?
If helal, xony and Labu sit,respectively , in the 3rd, 5th and 6th positions. Which of the following must sin in the seveenth position?
which of the following could be an acceptable assignment for positions one through four , respectively ? One Two Three Four
If Ivy and Zafar sit, respectively , in the 2nd and 7th position , which of the following persons mudt sit in the 1st position .
If zafar and Labu sit , respectively, in the 1st and 7th positions , which of the following persons must sit in the 5th position?
If Tk. 45,000 was invested in the share market when the price per share was Tk. 90 and Tk. 30,000 was invested when the price per share was Tk. 100, what was the average price per share purchased?