6 × 0.5 + 1 = 4 4 × 1 - 1.5 = 2.5 2.5 × 1.5 + 2 = 5.75 5.75 × 2 - 2.5 = 9 Hence, x = 2.5 Hence, (2.5)² - 1 = 6.25 -1 = 5.25
The test scores of 10 students out of a maximum of 50 are recorded as 40, 38, 42, 35, 40, 42, 36, 40, 37, and 42. Find the sum of the modes of this set ...
The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?
How many three digit numbers are divisible by 5?
If A and B are two sets such that the number of elements in A is 20, a number of elements in B is 18 and the number of elements in both A and B is 10, f...
24, 29, 62, ?, 758, 3791
...The sum of the first 10 terms of an arithmetic sequence is 60 and the 10th term is 5. What is the first term of the sequence?
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
A ball is thrown from a height of 900 m on the ground. It bounces (2/3) times of its every last bounce. Find the total distance covered by the ball ti...
A shopkeeper sells a product for ₹720 at a profit of 20%. What was the cost price of the product?
The mode and the mean of grouped data are 25 and 29.5 respectively. Find the median, correct to two places of decimal, using empirical relation.
