২৬০৮১
A short distance athelte has taken 60 sec to cover 100m. If he makes 30 steps in 9 sec,how many steps has he takenin that time?
উত্তর
None
২৬০৮২
If for a square matrix A , A2=A then such a matrix is known as:
উত্তর
Idempotent matrix
২৬০৮৩
How many bits string of length 4 are possible such that they contain 2 ones and 2 zeroes?
উত্তর
6
২৬০৮৪
A car goes 15 km on a gallon of octane when it is driven at 50 km/h. When the car is driven at 60 km/h, it only goes 80% as far. How many gallons of octane are needed to travel 200 km if half the distance is traveled at 50 km/h and the rest 60 km/h?
উত্তর
15.00
২৬০৮৫
A manufacturer sells three products i.e A, B and C. Product A costs 200 and sells for 250, Product b costs 150 and sells for 180, product C costs 100 and sells for 110. On which product, he has maximum percentage of profit?
উত্তর
A only
২৬০৮৬
If A has 4 elements and B has 8 elements then the minimum and maximum number of elements in A∪B are respectively __
উত্তর
812
২৬০৮৭
In the given AP series find the number of terms 5, 8, 11, 14, 17, 20 ,..... 50.
উত্তর
16
২৬০৮৮
One third of the faculty members of a department are female. Sixteen of the male teaches unmarried while 60% of them are married. The total member of faculty members in the department is____
উত্তর
60
২৬০৮৯
A wholesaler sells goods a retailer at a profit of 20%. The retailer sells to the customer, who pays 80% more than of the wholesaler. What is the retailers profit?
উত্তর
50%