১০৯৯১
X and Y start a business by investing a certain amount in the ratio 9:16. Both of them invest for an equal period of time. At the end of the term, X’s share of profit is what percent less than that of Y?
উত্তর
43(3/4)
১০৯৯২
The average attendance of a college for the first three days of a week is 325 and the first four days is 320. How many were present on the fourth day?
উত্তর
305
১০৯৯৩
Tk. 355 has been divided among A, B, C in such a way that A had Tk. 20 more than B and C had Tk.15 more than A. How much was C’s share?
উত্তর
Tk. 135
১০৯৯৪
If 2 kg of metal, of which 1/3 is zinc and the rest is copper, be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper, then what will be the ratio of zinc to copper in the mixture?
উত্তর
17 : 43
১০৯৯৫
By what percentage above the cost price, a fan should be sold if a shopkeeper wants to make a profit of Tk. 500 and the marked price of the article is Tk 6000 which is 50% above the cost price?
উত্তর
None of these
১০৯৯৬
Out of two numbers, 4 times the smaller one is less than 3 times the larger one by 5. If the sum of the numbers is larger than 6 times their differences by 6, find the two numbers.
উত্তর
59 and 43
১০৯৯৭
The sum of the squares of three numbers is 532 and the ratio of the first and the second as also of the second and the third is 3:2. Then the first number is -
উত্তর
18
১০৯৯৮
Pipe P can fill an empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. Both the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled?
উত্তর
10 hours
১০৯৯৯
The average age of A, B and C is 30 years. If the difference between B’s age and A’s age is the same as the difference between C’s age and B’s age. If D is 40 years older than B then what is the sum of the age of B and D?
উত্তর
100 years
১১০০০
The length of two sides of a triangle are 7 cm and 4 cm respectively. The length of the third side is-
উত্তর
greater than 3 cm