২০১৬১
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
উত্তর
8 cm
২০১৬২
There is 60% increase in an amount in 6 years at simple interest. What will be i the compound interest of Tk. 12,000 after 3 years at the same rate?
উত্তর
Tk. 3972
২০১৬৩
A room 5m x 8m is to be carpeted leaving a margin of 10 cm from each wall. If the cost of the carpet is Tk. 18 per sq. meter, the cost of carpeting the room will be:
উত্তর
Tk. 673.92
২০১৬৫
The hypotenuse of a right triangle is 2 centimeters more than linger side of the triangle. The shorter side of the triangle is 7 centimeters less than the longer side. Find the length of the hypotenuse.
উত্তর
17
২০১৬৬
A car owner buys petrol at Tk. 17, Tk. 19 and Tk. 20 per litre for three consecutive years. Computer the average cost per litre, if he spends Tk. 6460 per year.
উত্তর
Tk. 18.58
২০১৬৮
অ্যামোনিয়ার কনজুগেট অম্ন N H 4 + এর K a = 5. 8 × 10 − 10 হলে N H 3 এর K b এর মান কত
উত্তর
1 . 72 × 10 − 5 m o l . L − 1
২০১৬৯
There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of taka 12000 after 3 years at the same rate?
উত্তর
3420
২০১৭০
A system of equations is shown below: x+l=6 x-m=5 x+p=4 x-q=3 what is the value of l+m+p+q?
উত্তর
2