Start learning 50% faster. Sign in now
Total persons in class = Arhin’s rank from the top + Arhin’s rank from the bottom - 1 = 30 + 48 - 1 = 78 - 1 = 77 If his rank became 57 from the top: Arhin’s rank from the bottom = Total persons in class - Arhin’s rank from the top + 1 = 77 - 57 + 1 = 20 + 1 = 21 Hence, the correct answer is (C).
What is the mean of the following data given below:
3,7,9,5,11,13,8,12,15,12,4
A rectangle has a length that is 4 cm more than its width. If the perimeter of the rectangle is 32 cm, find the dimensions of the rectangle.
(28×17÷4) – (1040÷13) = ?
In a trapezium, the lengths of the two parallel sides are 24 cm and 18 cm, and the distance between them is 16 cm. Find the length of the midsegment (li...
A man can row a boat in still water at a speed of 8 km/h. He rows downstream for 1 hour and then returns upstream. If the total time taken for the entir...
The average of 20 numbers is 50. If two numbers, 40 and 60, are removed, what is the new average?
240.11% of 145.09 – 169.912% of 159.89 + 13.12 × √402 = ?
A can complete a piece of work in 12 days, B in 18 days, and C in 36 days. They all work together for a few days, after which A leaves. B and C continue...
96 × 30 – (400 ÷ 5) × 8 = ?.
In a parallelogram, the base is 18 cm, and the height corresponding to the base is 10 cm. A perpendicular distance from the opposite vertex to the same ...