The weights of Mr. Gupta and Mrs. Gupta are in the ratio 7: 8 and their total weight, combined is 120 kg. After taking a dieting course Mr. Gupta reduces by 6 kg and the ratio between their weights changes to 5: 6. So, Mrs. Gupta has reduced by
In a class, the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that of the girls is.
A car can cover a certain distance in If the speed is increased by 5 km/hr, it would take less to cover the same distance. Find the slower speed of the car.
A does half as much work as B in one-sixth of the time. If together they take 10 days to complete a work, how much time shall B alone take to do it?
A and B undertook to do a piece of work for Rs. 4500. A alone could to it in 8 days and B alone in 12 days. With the assistance of C, they finished the work in 4 days. Then C’s share of the money is
Two friends P and Q stared a business investing amount in the ratio of 5: 6. R joined them after 6 months investing an amount equal to that of Q’s amount. At the end of year, 20% profit was earned which was equal to Rs. 98,000. What was the share of R?
Water is flowing at the rate of 5 km/hr through a cylindrical pipe of diameter 14 cm into a rectangular tank which is 50 m long and 44 m wide. Determine the time in which the level of water in the tank will rise by 7 cm
A water filling pipe P is 5 times faster than second pipe Q. If Q fills a cistern in 30 minutes. How long will it take to fill the tank, when both the pipes are kept in operation simultaneous ?
A and B run a kilometer and A wins by 25 sec. A and C run a kilometer and A wins by 275 m. When B and C run the same distance, B wins by 30 sec. The time taken by A to run a kilometer is
From a point on a circular track 5 km long, A, B, and C started running in the same direction at the same time with speeds of km per hour, 3 km per hour and 2 km per hour respectively. Then on the starting point, all three will meet again after
If a BSES electricity bill is paid from Paytm before due date, one gets a reduction of 4% on the amount of the bill, by paying a bill before due date a person got a reduction of Rs 13. The amount of his electricity bill was:
Vinugopal decided to donate 5% of his July’s salary on the day of donation he changed his mind and donated 1687.50, which was 75% of what he had decided earlier. How much is Vinugopal’s salary?
A Raymond’s Trader marked the selling price of an article at 10% above the cost price. At the same time of selling he allowed certain discount and suffers a loss of 1%. He allowed a discount of:
Six-elevenths of a number is equal to 22% of second number. Second number is equal to the one-fourth of third number. The value of the third number is 2400. What is the 45% of the first number?
In an entrance examination Rockie scored 56% marks, perry scored 92% marks and Srifi scored 634 marks. The maximum marks of the examination are 875, what are the average mark scored by all the three girls together:
A diligent man was engaged on a job for 40 days on the condition that he will get a wage of Rs. 180 for the day he works, but he will have to pay a fine of Rs. 20 for each day of his absence. If he gets Rs. 5200 at the end of the 40 days, then, he was absent for how many days?
How many kg of pure salt must be added to 40 kg of 4% solution of salt and water to increase it to 12% solution of mixture ?
The average of the essay-I test scores of a class of 'x' students is 80 and that of 'y' student is 94. When the scores of both the classes are combined, the average becomes 86. What is the ratio of x to y?
The ages of Angaad, Bankie and Cherry together are 57 years. Bankie is thrice as old as Angaad and Cherry is 12 years older than Angaad. Then, the respective age of Angaad, Bankie and Cherry is:
If 35% of a number is subtracted from the second number the second number reduces to its four–fifths. What is the ratio the first number to the second number?