Vitorr classes

1.BY how much is 3/4 th of 568 lesser than 7/8 th of 1008?  2. The sum of twice a number and three times of 42 is 238. What is the sum of thrice the number and two times of 42 3. There are two numbers such that the sum of twice the first number and thrice the second number is 100 and the sum of thrice the first number and twice the second number is 120. Which is larger number. 4. The difference between two numbers is 3 and the difference between their squares is 63. Which is the larger number? 5. In a two-digit positive number, the digit in the unit’s place is equal to the square of the digit in ten’s place, and the difference between the number and the number obtained by interchanging the digits is 54. What is 40% of the original number? 6. If the numerator of a fraction is increased by 1/4 and the denominator is decreased by 1/ 3 , the new fraction obtained is 33/6 4 . What was original number?     Watch the video for solution  

1.If 4x+5y=83 and 3x/2y = 21/22 . Value of y-x? 2.The cost of 4 bags and 3 boxes is 555 and the cost of 3 bags and 4boxes is 460. What is the cost of one bag? 3.999*99*9/99/9/3 4.The bus fare for one person is 420 from Agra to Aligarh and the train fare between the same places for one person is equal to three-months the bus fare two persons between the same places. What is the total fare paid by 3 persons travelling by bus and persons traveling by train between the two places?     5.2x^2 + 12x + 18 = 0, What is the value  of x? 6.Sweets were distributed equally among 64 children. After giving 7 sweets to each child 15 sweets were left out. Total how many sweets were there 7.In a test , a candidate secure 336 marks out of maximum marks x. If the maximum marks x had been converted into 400 marks, he would have secured 192 marks. What was the maximum marks of test?       Watch the video for solution