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The ratio of the sum of the reciprocals of x and y to the product of the reciprocals of x and y is 1:3. What is sum of the numbers x and y?
The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y ?
The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y?
The product of two numbers a and b is twice the sum of the numbers. What is the sum of the reciprocals of a and b?
Two stores A and B bought the same product from the company at the same price. Store A marked the price of the product 50% above its cost price and offered two successive discounts of 15% and 10% on the marked price of the product, while store B marked the price of the product 60% above its cost price and offered two successive discounts of 15% and 12% on the marked price of the product. If a customer buys the product from store B, he has to pay Rs. 986 more than that at store A. At what price the two stores bought the product from the company?
There are two rows, each containing 3 numbers. Below are some rules to be used to get the resultant number for each row separately. Use the rule from left to right for each row and find the answer to the question. Rule: 1. If an even number is followed by an even number, then the first number will be subtracted from the second. 2. If an odd number is followed by an odd number, then both will be added. 3. If an odd number is followed by an even number, then the even number will be subtracted from the square of the odd number. 4. If an even number is followed by an odd number, then the odd number will be subtracted from the even number. Row I: 9,11, 34 Row II: 16, 9, 8 What is the difference between the resultant numbers in the first row and the second row
The LCM of the two numbers is 143 times their HCF. If both the numbers are 3 digit numbers and their HCF is 18, then what is the sum of the reciprocals of those two numbers?
Two numbers are such that the sum of twice the first number and thrice the second number is 36 and the sum of thrice the first number and twice the second number is 39.Find the difference between the numbers?
In a series of 25 numbers, 25th number is twice the 23rd number and 24th number is fifteen more than 23rd number. Average of all the numbers is 49. The average of the first twelve numbers is 45 and the average of next 10 numbers is 53. If 23rd number, 24th number, and 25th number are p, q, and r respectively then which of the following is/are NOT correct? I. p + q + r = 155 II. p : q = 10 : 7 III. q : r = 5 : 7
There are two rows, each containing 3 numbers. Some rules are given below to be used for obtaining the resultant number for each row separately. Apply the rules for each row from left to right and answer the question. Rules: i. If an even number is followed by an even number, the first is to be subtracted from the second. ii. If an odd number is followed by an odd number, both are to be added. iii. If an odd number is followed by an even number, the even number is to be subtracted from the square of the odd number. iv. If an even number is followed by an odd number, the odd number is to be subtracted from the even number. Row I: 28, 19, 12 Row II: 13, 7, 32 What is the average of the resultant numbers of the first row and the second row?