২৬১০৩
Two circles of equal radii touch externally at a point P. Form a point T on the target at P target TQ and TR are drawn to the circles with points of contact Q and R respectively. The relations of TQ and TR is
উত্তর
TQ = TR
২৬১০৪
If w is 10% less than x, and y is 30% less than z, they wy is what percent less than xz?
উত্তর
37%
২৬১০৫
If x is an integer and y=-2x-8, what is the least value of x which y is less than 9?
উত্তর
-8
২৬১০৬
In covering a certain distance , the speeds of A and B are in the ratio of 3: 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is:
উত্তর
2.0 hours
২৬১০৮
Two lots of onions with equal quantity, one costing Tk. 10 per kg and the other costing Tk. 15 per kg are mixed together and whole lot is sold at Tk. 15 per kg. What is the profit or loss?
উত্তর
20% profit
২৬১০৯
A and B are partners in a business A contributes 1/4 of the capital for 15 months and B receives 2.3 of the profit. Find for how long B's money was used.
উত্তর
10 months