১৬৪২
The sum and difference of the L.C.M and H.C.F. of two numbers are 592 and 518 respectively. If the sum of the numbers be 296, find the product of the numbers.
উত্তর
20535
১৬৪৪
If x2 + 4x + 3 is odd, then which one of the following could be the value of x?
উত্তর
16
১৬৪৫
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and p. He found the mean to be 12. What should be the number in place of p?
উত্তর
7
১৬৪৬
After getting two successive discounts, a shirt with a list price of 150 taka is available at 105 taka. If the second discount is 12.5%, find the first discount.
উত্তর
20%
১৬৪৮
The difference between the present ages of A and D is 14 years. Seven years ago, the ratio of their ages was 5 : 7 respectively. What is D's present age?
উত্তর
56 years
১৬৪৯
If one factor of 2a4 - 5a3 + 6a2 - 5a + 2 is (a-1), what is the other factor?
উত্তর
2a2 - a + 2