Advertisements
Advertisements
प्रश्न
Suman saves 10% of her monthly salary. Now her expenditure increases by 30% and savings increases by 50%. The present increase in her salary is
विकल्प
25%
30%
32%
40%
उत्तर
32%
Explanation:
Let initially salary of suman is ₹ x.
then, saving of suman `="x"xx10/100=0.1"x"`
expenditure of suman`="x"xx90/100=0.9"x".`
Now, saving of suman = 0.1x × 1.5 = 1.15x
expenditure of suman = 0.9x × 1.3 = 1.17x
New salary = (1.17 + 0.15)x = 1.32x,
Percentage increase in salary
`=((1.32"x"-"x"))/"x"xx100=32%`
APPEARS IN
संबंधित प्रश्न
A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, the probability that it bears a perfect square number is:
If Second Saturday and Sunday of every month is a holiday, then the total number of working days in a month of 31 days beginning with a Wednesday will be
A mess contractor can either serve 450 students with the meal that he prepares or can cater to 270 cops with the same meal. If 300 students have already eaten in the mess, how many cops can be fed with the remaining meal?
The marked price of an article is 20% more than the cost price. If the article is sold at a discount of 15% on its marked price, then the gain percent is
A bag contains 5 white and 3 black balls. Two balls are drawn at random then the probability that out of the two one ball is red and other is black will be:
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident.
Two dices are thrown simultaneously. The probability of obtaining a total score of 8 is
A card is drawn at random from a pack of playing cards. What is the probability of getting a face card?
If 10Pr = 5040, Find the value of r.
