Question
Find the mode of the data: 2, 2, 3, 5, 15, 15, 15, 20,
21, 23, 25, 15, 23, 25.Solution
2, 2, 3, 5, 15, 15, 15, 20, 21, 23, 25, 15, 23, 25 Now count the frequencies: 2 → 2 times 3 → 1 time 5 → 1 time 15 → 4 times 20 → 1 time 21 → 1 time 23 → 2 times 25 → 2 times Most frequent number: 15 (appears 4 times)
Rs. 7,500 is invested in scheme ‘A’ for a year at simple interest of 25% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in...
A principal of ₹5000 is invested at a simple interest rate of 8% per annum. What will be the interest earned after 3 years?
What will be come in place of (?) in the given number series.
7, 11, 15, 19, ?, 27What is the average number of DELL laptops sold in all the given years?
A coin is tossed. If head occurs, a ball is drawn from a bag containing 3 red and 4 green balls. If tail occurs, a die is thrown. The probability that t...
In a triangle ABC, the lengths of the medians from A, B, and C are 5 cm, 6 cm, and 7 cm, respectively. What is the area of the triangle?
A retailer buys two items at the same cost price. He sells one at a 25% profit and the other at a 20% loss. If the overall profit is rupees 15, find the...
The average height of a basketball team consisting of 18 players is 185 cm. If the height of the coach and the assistant coach is...
Simplify: sinx+sin 3x+sin5x
A cyclist travels at a speed of 20 km/h. After riding for 2 hours, he stops for 30 minutes and then continues to ride at a speed of 15 km/h for another ...
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