Question
A trader purchased 132 dozens of mangoes at Rs.475 per
dozen and could sell only 125 dozens at Rs.530 per dozen. What is the value of stock of mangoes in hand (in rupees)?Solution
Purchased 132 dozens and sold only 125 dozens stock of mangoes in hand = 132 - 125 = 7 dozens = value per dozens = Rs 475 therefore, values of stock of mangoes in hand = 7 x 475 = 3325
A sum of money becomes ₹5,600 in 4 years and ₹6,400 in 8 years at simple interest. Find the rate of interest per annum.
If 'x' is a positive integer such that x + 1/x = 2, then find the value of (x3 + x2 − 2x – 6)/(4x4 + 2x2
The weights (in kg) of 11 students are:
40, 45, 47, 50, 52, 52, 55, 55, 55, 60, 65
Find:
(a) the mean weight,
(b) the median weight,
A container has a mixture of two liquids, A and B, in the ratio of 5:3. If 16 liters of the mixture are removed and replaced with 16 liters of liquid B,...
155, 161, 173, 191, ?, 245
240.11% of 145.09 – 169.912% of 159.89 + 13.12 × √402 = ?
A car travels from City A to City B, which is 240 km apart. It travels the first 120 km at a speed of 60 km/h and the remaining distance at a speed of 8...
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